1.〔误〕 Do you have the key of the door. 〔正〕 Do you have the key to the door. 〔析〕 key to the door门的钥匙。相同用法还有answer to the question, entrance to the highway, danger to health.千万不要用of。

　　2. 〔误〕 I didnt do my homework, so the teacher was angry to me. 〔正〕 I didnt do my homework, so the teacher was angry with me. 〔析〕 be angry with其后接人，而be angry at其后接事。如：He was angry at what she said.

　　3. 〔误〕 He was good for skating. 〔正〕 He was good at skating.

　　〔析〕 be good at 为"擅长某事"，而be good for somebody为对某人很好。

　　4. 〔误〕 It was good to you to help my little boy. 〔正〕 It was good of you to help my little boy.

　　〔析〕 这句话应译为：你真太好了，帮助了我的小孩。而be good to somebody 是对某人态度好。如：Her mother is good to everyone.

　　5. 〔误〕 My parents were very pleased at me. 〔正〕 My parents were very pleased with me. 〔正〕 My parents were very pleased at my studying. 〔析〕 be pleased with后加somebody, 而be pleased at后加something。

　　6. 〔误〕 He is agree with me. 〔正〕 He agrees with me. 〔误〕 He againsts me. 〔正〕 He is against me.

　　〔析〕同意agree为动词，而反对against则为介词。在使用中一定要注意。

　　7. 〔误〕 I havent heard letters from him. 〔正〕 I havent heard from him. 〔析〕 hear from 即为：从某人处得到信件。不要再加letter了。

　　8. 〔误〕 Do you know the girl on white? 〔正〕 Do you know the girl in white?

　　〔析〕 in white为穿一身白。与in有关的词组有：in bed(睡觉)，in hospital(住院)，in a hurry(匆匆忙忙)，in danger(危险中),in joy (高兴)，in good health(身体好)，in love(恋爱)，in trouble(困境)，与之相反的是out of ,如：out of trouble (摆脱困境)，out of date(过时了)， out of order(出故障)

　　9. 〔误〕 She didnt come to school because of she was ill. 〔正〕 She didnt come to school because she was ill.

　　〔析〕 because of 后接名词，如：The game was put off because of the rain.

　　10. . What can I do for you?- I’d like two ____　A. box of appleB. boxes of applesC. box of applesD. boxes of apple

　　答案: B. (选择其它三项的同学要注意仔细看题.不要马虎, 这里box 和apple都是可数名词)