David enjoys music at weekends, but I prefer for a picnic.
A. listening to; go out B. listening to; to go out
C. to listen to; to go out D. listen to; going out
—Oh， my god！ Recently I have put on 5 pounds.
— . I think I should lose weight.
A. So do I B. So have I
C. Neither do I D. Neither have I
—Why did Miss Wang look so worried？
—Because she wondered____.
A. where did the other students go
B. when would the policeman come
C. what her students have done during the trip
D. if her students had survived the earthquake
—Did you mend the radio yourself?
—No，I____. Because I don't know how to do it.
A. mended it B. get mended it
C. got it mended D. will mend it
The math problem is so hard that ________ students can work it out.
A. a few B. a little C. many D. few
. The train _____ for twenty minutes.
A. left B .has left C. is leaving D. has been away
