18.—Alison, I'm sorry. I can't come to the wedding with you tomorrow morning.

　　—________?

　　—My grandma was severely ill, so I have to stay in the hospital to look after her.

　　A.How is it B.How come

　　C.So what D.What's the problem

　　[解析]How come 怎么会呢?表示失望的情绪。

　　[答案]B

　　19.—Are you going to attend the lecture?

　　—________. I might have to visit my uncle.

　　A.It depends B.Thank you

　　C.Sounds great D.Don't mention it

　　[解析]It depends. 那看情况而定。

　　[答案]A

　　20.—Let's have a game of tennis; the loser has to treat the other to a hot dog.

　　—________.

　　A.I'm afraid so B.It's a deal

　　C.You've got a point D.My treat

　　[解析]It's a deal.一言为定。

　　[答案]B

　　21.—We have booked a room for today and tomorrow.

　　—________， sir.

　　A.I'm sure B.My pleasure

　　C.It's all right D.I'll check

　　[解析]I'll check 我将核实一下。

　　[答案]D

　　22.—It seems that she doesn't like the dinner very much.

　　—________. In fact, she's been on a diet following the doctor's advice.

　　A.You're right B.So she does

　　C.Never mind D.Not really

　　[解析]not really 并非如此。

　　[答案]D

　　23.—Would you give it another guess?

　　—________—tell me the answer.

　　A.Let me think B.You never know

　　C.Never mind D.I give up

　　[解析]I give up 我放弃了。

　　[答案]D

　　24.—Tom, if it doesn't rain, we can go climbing and have a picnic there.

　　—________. I like climbing.

　　A. Well done B. That's great

　　C. No problem D. That's it

　　[解析]A项表示“干得不错”;B项表示“太棒了”;C项表示“没问题”;D项表示“那就这样吧”。句意：—汤姆，如果不下雨的话，我们去爬山，然后在那儿野餐吧。—________。我喜欢爬山。由此可知，空白处表示同意对方的提议，故B项正确。

　　[答案]B

　　25.—I'm afraid I can't return the book to you before Friday.

　　—________.

　　A. Don't be afraid B. Be careful

　　C. Not at all D. Take your time

　　[解析]A项表示“别害怕”;B项表示“小心点”;C项表示“一点也不，根本不”;D项表示“不着急，慢慢来”。句意：恐怕我星期五前不能把书还给你了。答语应是D项“不着急”。

　　[答案]D

　　26.—Believe it or not, Tyler failed the final exams.

　　—________? What a pity!

　　A. Why not B. What for

　　C. How come D. So what

　　[解析]所给选项的意思分别如下：为何不呢;为何;怎么回事呢、怎么会呢(尤表示惊讶);那有什么了不起、那又怎样(对事情表示不关心或生气地告诉某人事情与他无关)。根据语境可知选择 how come 最佳。句意：—信不信由你，期末考试 Tyler 失败了。—怎么会呢?多么遗憾啊!

　　[答案]C

　　27.—Shall we go to Xufu Cultural Fair right away?

　　—________.

　　A. It's your opinion B. I don't mind

　　C. That's your decision D. It's all up to you

　　[解析]句意：—我们马上去参加徐福文化博览会好吗?—________。所给选项的意思分别如下：这是你的观点;我不介意;是你的决定;你来决定吧。由句意知这里选择D项最佳。

　　[答案]D

　　28.—Jenny, what would you like to eat for lunch, pizza, pasta or sushi?

　　—________ I have a good appetite.

　　A. Sounds good. B. You're so considerate.

　　C. It's up to you. D. It depends.

　　[解析]所给四个选项的意思分别为：听起来不错;你如此体贴;你决定吧;看情况/视具体情况。句意：—珍妮，午饭你想吃什么：匹萨，意大利面还是寿司?—您说吧。我的胃口比较好。故C项最符合语境。

　　[答案]C

　　29.—Would you mind if I open the window?

　　—________

　　A. I don't like it. B. Yes, please.

　　C. No, please. D. No, I'm sorry.

　　[解析]问句句意：我打开窗户你介意吗?若表示不介意，答语应是 Of course not;Not at all;Certainly not;No，go ahead 等;若表示介意，则常用答语为：You'd better not;It's not allowed here. 由语境可知C项正确，表示不介意。

　　[答案]C

　　30.—I am always feeling nervous before an exam.

　　—________. Do believe your hard work will surely pay off.

　　A. Take your time B. Take a good rest

　　C. Take it easy D. Take your turn

　　[解析]take your time“不要着急，慢慢地做”;take a good rest“好好休息一下”;take it easy“别紧张，别着急，轻轻松松地”;take your turn“依次，轮流，接替”。句意：—我考试前总是很紧张。—________。一定要相信你的努力工作一定会有回报的。因此，空白处应表示“别紧张”，故C项正确。

　　[答案]C

　　31.—Tom, your lazy bone! You left the dishes unwashed again!

　　—________? Mum isn't at home and she can't hear you.

　　A.Why B.So what

　　C.For what D.How come

　　[解析]so what “那又怎么样”，表示不在乎。

　　[答案]B

　　32.—Don't you feel cold, Tim? You wear such a jacket in a day at -5℃.

　　—________. I'm boiling.

　　A. No worry B. Take it easy

　　C. Not in the least D. That's OK

　　[解析]A项表示“不担心”;B项表示“别紧张，别着急”;C项表示“一点也不”;D项表示“可以;不用了”。句意：—蒂姆，难道你不感觉冷吗?在零下5摄氏度的天气里穿这么一件外套。—________。我要沸腾了。由句意可知C项正确，指“一点也不冷”。

　　[答案]C

　　33.—What were you saying just now?

　　—________. Let's get down to the English speaking contest tomorrow.

　　A. Don't mention it B. Take it easy

　　C. That's all right D. Forget it

　　[解析]句意：—你刚才在说什么?—________。咱们认真准备明天的英语演讲比赛吧。A项意为“不用谢”;B项意为“不着急，别紧张”;C项意为“不用谢，别客气”;D项意为“不必在意”。由语境和四个选项的意思可知D项正确。

　　[答案]D

　　34.—I'd like to take a chance and run a factory.

　　—Do you know about the local market? ________.

　　A. No problem

　　B. Better safe than sorry

　　C. Do as you please

　　D. Think nothing of it

　　[解析]A项意为“没有问题”;B项意为“小心不出大错;安全胜过遗憾”;C项意为“你可以随意行事”;D项意为“别放在心上”。句意：—我想抓住机会开个工厂。—你了解当地市场吗?________。由语境和四个选项的意思可知B项正确。

　　[答案]B