14.　 I don’t’ really work here; I _____ until the new secretary arrives.

A. just help out　　　　　　　 B. have just helped out　 C. will just help out　　　　　　　 D. am just helping out

13.　 Mr. Palmer _____ the directions given him in the letter.

A. took　　　　　 B. gave　　　　　 C. offered　　　　　　　 D. have

12.　 ____ we knew the facts, we didn’t’ realize that they were blackmailing us.

A. Until 　　　　 B. Unless　　　　 C. After　　　　　　　　 D. If …not

11.　 He hasn’t learned anything _____ he ridded himself of complacency.

A. if…not 　　　 B. until　　　　　 C. if else　　　　　　　 D. unless

10.　 The coat will not lose its colour _____ he ridded himself of constantly.

A. if not　　　　　 B. unless　　　　 C. until　　　　　　　　 D. till

9.　　　 He’d better leave now, _____ he will miss the bus.　　　

A. unless　　　　 B. if else　　　　 C. ore else　　　　　　 D. if…not

8.　　　 _____, the class began.

A. Having taken their places　　　　　　　　　　　　 B. Having taken their seats

C. All the students having taken their seats　　 D. Every student had sat down

7.　　　 _____ the instructions, the worker knew _____ the new type of computer.

A. Following; how to do with　　　　 B. Having been given; how to operate

C. Followed; what to do with　　　　 D. Given; what to do with

6.　　　 Please tell me _____ you want your coffee, black with milk or with sugar.

A. what　　　　　 　　　 B. that　　　　　　　　　 C. when　　　　 D. how

5.　　　 He must have stayed up last night, ____ he is sleepy.

A. because　　　　　　 B. for 　　　　　　　　　 C. as　　　　　　　　　　 D. because of