—Shall we drink the tea now?
—No, the tea should be ______in the water for some time before you drink it.
| A．stayed | B．staying |
| C．kept | D．keeping |
Can you tell me ______ when I called you?
| A．what were you doing | B．what are you doing |
| C．what you are doing | D．what you were doing |
I ______the film if I’m free next Sunday.
| A．sees | B．saw | C．will see | D．has seen |
The boy ______ home by the police last Sunday.
| A．is taken | B．was taken | C．has taken | D．will take |
Tony knows China very well because he ______ in China for twenty years.
| A．works | B．was working | C．will work | D．has worked |
The students asked Mr. Wang ______ them some advice on reading.
| A．give | B．gave | C．giving | D．to give |