解放军文职考试：过去进行时经典例题

The teacher and writer as well as some students         something when we entered the room.

A．discussed

B．were discussing

C．have discussed

D．was discussing

答案 :
D
—Can you tell me if Tom has finished his homework?
—I"ve no idea. He ________ it this morning.

A．has being doing	B．had done
C．is doing	D．was doing

答案 :
D