Food safety is important. Rules ______ to stop people from food pollution.
A. must make B. must be made
C. can’t make D. can’t be made
There will be a stamp show in the museum ______ we visited last week.
A. who B. when C. which D. what
— Linda, could you tell me ______? — He is an actor.
A. what he does B. what does he do
C. where he works D. where does he work
Smoking is not allowed in public places since May 1st. It may be a good chance for some people to ______ smoking.
A. put up B. give up
C. pick up D. look up
The Internet is really ______ to us. We can easily find the information we need.
A. safe B. hard C. boring D. useful
______ he has make during the course!
A. What good progress B. What a good progress
C. How good progress D. How a good progress