--_______ are you going back to London, Tony?
---At the end of July.
A. How B. When C. Why D. Where
Thanks to better health care, more people are living _____ lives today than before.
A. longer B. richer C. busier D. easier
The Science Museum is popular because people _____ do experiments there.
A. can B. must C. would D. should
In America, you can open your presents immediately. You don’t have to ______!
A. pay B. wait C. check D. prepare
Too much fast food is bad for us. We should only have it _____.
A. all the time B. from now on
C. at the moment D. once in a while
Our coach is pleased _____ we are playing better as a team now.
A. so B. if C. because D. before
