He talks about Rome as if he _________there before.
A. were B. had been C. has been D. was
I was on the highway when this car went past followed by a police car. They ______ at least 150 kilometers an hour.
A. should have been doing B. must have been doing
C. could have done D. would have done
All the teachers discussed the plan that they would like to see __________ in the next school year.
A. carry out B. carried out C. to carry out D. be carrying out
I still remember __________ chess in class by my teacher about twenty years ago.
A. to be caught to play B. being caught playing
C. catching play D. having caught playing
The shopkeeper did not want to sell for ______ he thought was not enough.
A. where B. how C. what D. which
You can’t imagine what great trouble they have _________ the problem_______.
A. to solve; being talked about B. solving; discussing
C. to solve; to talk about D. solving; being discussed