On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.

A. practiced     B. behaved     C. proved     D. conducted

___________she was invited to the ball made her very happy.

A.If         B. That           C. When          D. Because

She suggested to the police in the police station that__________.

A. Mr. Smith stole the necklace           

B. Mr. Smith should steal the necklace

C. Mr. Smith had stolen the necklace      

D. Mr. Smith steal the necklace

--Well done, Jack !

--Thanks. But given more time, I__________ it better.

A. shouldn't have done              B. could have done

C. might not do                     D. could do

Whether ways will be found to stop pollution or not is just___________ worries the public.

A. why            B. which           C. that          D. what

The news about the terrible flood there greatly discouraged __________ there for a sightseeing.

A. us from going     B. us to go     C. our going     D. our to go

—I'd like to have some lunch but I have to stay here doing my work.

—___________ what you want and I can get it for you.

A. To tell me                     B. Telling me    

C. If you tell me                 D. Tell me

Exercise is__________ as any other to lose unwanted weight.

A. so useful a way               B. as a useful way

C. as useful a way               D. such a useful way

—Do you regret paying 500 dollars for your necklace?

--No, I would gladly pay__________ for it.

A. two times as much                 B. twice as many

C. twice as much                     D. as twice as much

--I don't think we have met before.  --Yes, once at a party, but we___________.

A. weren't introduced             B. didn't introduce

C. haven't introduced             D. were not introducing