11.Was it in that school _______ he developed his interest in Physics?

　　A. which

　　B. from which

　　C. where

　　D. that

　　12.We often hear old people wishing they ________ young again.

　　A. are

　　B. were

　　C. had been

　　D. will be

　　13._______ he says or does won‘t make me change my mind at all.

　　A. Whatever

　　B. However

　　C. Which

　　D. How

　　14.Only when you have finished your homework _______ go home.

　　A. can you

　　B. would you

　　C. you will

　　D. you can

　　15.The ants， hardworking _______ they are， have their time for play.

　　A. if

　　B. as

　　C. since

　　D. though

　　16.Some states have an income tax similar to ______ of the federal government.

　　A. that

　　B. those

　　C. this

　　D. these

　　17.______ the examination， I would have gone to the football match last night.

　　A. But for

　　B. In spite of

　　C. Because of

　　D. Provided that

　　18.He had the ______ over other boys of having had very good preschool education.

　　A. ability

　　B. advantage

　　C. aggression

　　D. alternative

　　19.The Atlantic Ocean is only half as big as the Pacific， ______ it is still very large.

　　A. but

　　B. and

　　C. so

　　D. therefore

　　20.It was there， the police believe， ______ she was able to activate the recorder she kept in her bag.

　　A. until

　　B. which

　　C. that

　　D. when