The teacher and writer as well as some students         something when we entered the room.
#63697
A
discussed
B
were discussing
C
have discussed
D
was discussing
推荐题目
Mr. Liu __________ for ten minutes.
#38631
A
has left
B
will leave
C
has been away
D
left
Our physics teacher told us that light ________ faster than sound.
#40111
A
travel
B
travels
C
is travelling
D
has travelled