— What a new computer! Can you tell me _________?
— Just the day before yesterday.
A. how much you paid for itB. how much did you pay for it
C. when you bought itD. when did you buy it
— Would you mind my sitting here?
— ________________. It’s for my friend.
A. Of course notB. Yes, please
C. You’d better notD. Not at all
–Do the Smiths live next to you? --No, but they____.
A. used to B. used to do it
C. used to be D. used
— Would you lik e to take a trip to Hawaii this summer vacation?
— No, I ___________ there several times.
A. wentB. go
C. have goneD. have been
—Tom finished his homework, didn’t he?
—__________, though he was ill yesterday.
A. No, he didn’tB. Yes, he did
C. Yes, he doesD. No, he doesn’t
____ the help of man-made satellites卫星, we can know what the weather will be like in the future few days.
A. With B. Under
C. UsingD. By