It’s about 10 years ________ his aunt went to Canada.

　　A. for B. before C. since D. until

We’re amazed at __________ such a big shark.

A. saw　　　　 B. seen　　　　 C. to see　　　　 D. seeing

They have surfed many times before, __________.

A. we have so

B. so we have　　

C. we so have　　

D. so have we

The student is afraid ________ English with foreigners.

　　A. to practice to speak　　

B. practicing speaking

C. of practicing speaking

D. of practicing to speak

Where _____________ can I find such information?

A. else　　　　B. others　　　　 C. the others　　 D. the other

The man has lived there ____________.

A. all life　　 B. all the life　　 C. all his life　　 D. his all life

A number of books ________ gone and the number of lost books ________ growing.

A. have, are B. has, is C. have, is D. has are

Jacques made it possible to go scuba diving __________ inventing the scuba machine.

A. with　　　　B. by　　　　 C. without　　　　 D. since

Excuse me, I __________ some information about sharks. But I don’t know _________ to use computer.

A. looking at; what　　　　　　

B. am looking for; where

C. am asking for; what　　　　　　

D. am looking for; how

He encouraged everyone ___________ part in protecting our lakes.

A. take　　　　B. has taken　　 C. taking　　　　 D. to take