If he ________harder , he will catch up with us soon .
#38550
A
study
B
studies
C
will study
D
studied
推荐题目
While he_____ on the phone, a man walked into his room.
#39822
A
was talking
B
talked
C
is talking
D
talk
The teacher said that light ________ faster than sound.
#42199
A
travel
B
to travel
C
traveled
D
travels
Xiao Li _________ his hometown for ten years.
#42434
A
has left
B
1eft
C
has been away from
D
went away from