四、连词

　　56. You look tired. ________ working indoors you should be out for a walk.

　　A. Ahead of B. Instead of C. In front of D. In spite of

　　57. I’m looking for a babysitter (保姆). She must be ________ too old ________ too young.

　　A. neither; nor B. both; and C. either; or D. not only; but also

　　58.—I won’t go to the party tomorrow.

　　—________ you told me you would. What’s happening?

　　A. But B. So C. And D. Or

　　59. Jim has been in the factory for two years _______ he left school.

　　A. when B. since C. as soon as D. whether

　　60. Mike is good at playing basketball ______ Bruce does well in football.

　　A. when B. until C. since D. while

　　61. Stop cutting trees, _______ the earth will become worse and worse.

　　A. and B. but C. or D. then

　　62. Mr. Brown knows little Japanese, _______ he can’t understand the instructions on the bottle of the pills.

　　A. so B. or C. but D. for

　　63. Stop smoking, ______ you will get better soon.

　　A. and B. or C. that D. after

　　64. I was about to leave the office ______ the telephone rang.

　　A. when B. after C. before D. while

　　65. A lot of new buildings have been put up in our university. It is no longer the same _____ it

　　used to be.

　　A. like what B. that C. as D. what

　　66. ________ our football team failed in the match, we did our best.

　　A. Though B. But C. Because D. As

　　67. It was very late, _______ the students still went on repairing their desks and chairs.

　　A. and B. or C. so D. but

　　68.—You’d better remember what I said yesterday, _____ others will laugh at you.

　　—Sure. I’ll do it _____ you told me.

　　A. or; as B. and; as C. or; after D. and; after

　　69. I won’t believe you _______ I see it with my own eyes.

　　A. if B. when C. until D. while

　　70. I must finish the work ______ I go home.

　　A. before B. when C. until D. if