While he_____ on the phone, a man walked into his room.
#39822
A
was talking
B
talked
C
is talking
D
talk
推荐题目
一 you your dictionary?—No. So I have to buy a new one today.
#37161
A
Did; find
B
Have; found
C
Are; finding
D
Had; found
We _____ more than 1,200 English words already, do you know?
#38250
A
learn
B
will learn
C
have learned
D
are learning