20、－Why didn’t you tell her about the appointment?

－She drove away _________ we could say a word.

A．before      B．until   C．when D．after

19、Look! Two ambulances are rushing to the building _______ top storey is on fire.

A．where       B．which       C．whose      D．what

18、The people of the city were still sleeping when the war __________, with an F-117 dropping the first bomb to its TV center.

A．broke out  B．took place C．came out  D．burst out

17、－It is useless trying to help Jack with his maths. He is so poor at it.

－I know, but is he _____ better at it now?

A．much                         B．little                    C．even                   D．any

16、The girl who _______ in a nice shirt is dancing happily in the park?

A．had dressed      B．has dressed      C．dresses     D．is dressed

15、－We really have a lot to learn from Gao Ming.

－I agree! He _______ his best to help those in trouble.

A．will surely do   B．is always doing C．has already done      D．was always doing

14、－________ I have a word with you, Miss Smith?

－Oh dear, if you must.

A．Can                           B．Could                  C．Must                   D．Should

13、________ and sad, Alice stood there and couldn’t help bursting into tears.

A．Shocking  B．Shocked   C．To be shocking D．To be shocked

12、－Although she sometimes loses her temper, her students like her no less.

－That’s it. _________, she is really a good teacher.

A．At all        B．In all         C．Above all  D．After all

11、－I believe we will have a good time with Miss Green in your birthday party.

－Maybe. But it is still a question, you know, ______ she can spare time to come.

A．whether    B．if       C．that   D．which