I was late for school because my alarm didn’t .
| A．go off | B．go out | C．go back | D．go away |
--How do you like this piece of music by Tan Dun?
--Well，of all the music that he has written，I think this is his ____ one．
| A．better-known | B．well-known |
| C．best-known | D．most-known |
--This kind of sports is exciting．
--Yes，but it's dangerous．One can't do it ____ he or she has got some training．
| A．if | B．after | C．when | D．Unless |
--Could you tell me ____?
--Until tomorrow afternoon．
| A．how long you will stay there |
| B．how soon you will stay there |
| C．when will you stay there |
| D．how often will you stay there |
--How can we help the children in the mountain village?
--We can ____ leaflets to ask people to donate money．
| A．give in | B．give off |
| C．give up | D．give out |
Chairperson Xi calls on us to do what we can ____ as much as possible．
| A．save | B．to save | C．saved | D．saving |