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
Last weekend I didn’t _______ any cows but I ______ some horses.
#39291
A
see; see
B
saw; saw
C
see; saw
D
saw; see
I didn’t hear you, because I ________ yesterday’s football game. 
#41544
A
watch
B
am watching
C
watched
D
was watching
Mr. Smith, together with his two sons,_____Shanghai for about five months. 
#39791
A
has left
B
has been away from
C
have left
D
have been away from