—Do you mind him _______ TV all the time?
—Of course. I am busy with everything and can’t get a helping hand.
A. watch B. watching C. to watch D. watches
The rivers will become dirtier and dirtier we take action to protect them.
A. since B. if C. whether D. unless
— Sorry, I_____ what was happening outside.
A. had thought B. was thinking C. thought D. think
—What do you want to eat for lunch? I will prepare earlier today.
—Honey, you_______. Let’s go out to have something different.
A. mustn’t B. can’t C. shouldn’t D. don’t have to
—Would you like to come to dinner tomorrow evening? —________.
A. Yes, I’d love to B. That’s right
C. It’s a pleasure D. You’d better not
—Is Tom still in New York or already back at home?
—I’m not sure ______. I’ll call to make sure.
A. how he will be back B. that he has come back
C. why he has come back D. if he has been back