Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51156
A
study
B
studied
C
to study
D
studying
推荐题目
Why not_____an English club to practice_____English?
#51265
A
to join; to speak
B
join; speaking
C
join; to speak
D
to join; speaking
When I came into the classroom, I saw some girls _______ happily.
#50604
A
cry
B
talk
C
to run
D
laughing