I ______have come here in time, but I met an old friend of mine. I stopped and talked with him for some time.
| A．shouldn’t | B．must | C．needn’t | D．could |
Our government ______ all people to save energy and fight against pollution.
| A．calls on | B．calls up | C．calls out | D．calls for |
Only in that way _______ ready for the challenges and opportunities in life.
| A．will we be | B．we will be | C．will be we | D．we shall be |
— Are you going to the party this weekend?
— ______.
| A．That’s all right | B．With pleasure |
| C．That depends | D．Good idea |
Helen ______ go on the trip with us, but she isn’t quite sure yet.
| A．shall | B．must | C．may | D．can |
It may rain --- you’d better take an umbrella _______.
| A．in case | B．in this case | C．in no case | D．under the case |