It__________ long before we __________the result of the experiment.
| A．will not be ； will know |
| B．is； will know |
| C．will not be ； know |
| D．is ； know |
One million people of the city, ______ thought little of the event, were asleep as usual that night.
| A．where | B．which | C．who | D．that |
The girl ________ I met in the street yesterday is Mary
| A．whom | B．which | C．as | D．what |
----- How long ________ in Guilin?
----- For two weeks. I’m going to some places of interest there.
| A．did you stay | B．do you stay | C．are you staying | D．have you stayed |
We ________ go out when it rained.
| A．were about to | B．were about | C．would | D．were |
Frank_________ London by train which _______ at 8:30 next morning.
| A．is leaving for ; will leave | B．is leaving for; leaves |
| C．will leave for; will leave | D．leaves for ; leaves |