While we were running on the playground, Jack suddenly stopped____ and lay on the ground,so we all stopped_____ what was wrong with him.
#49553
A
to run; to see
B
running; seeing
C
running; to see
D
running; see
推荐题目
Hainan Island is a good place_____.
#49976
A
go sightseeing
B
go sightsee
C
to go sightseeing
D
to go sightsee
We must do everything we can waste water from running into rivers.
#48694
A
keep
B
kept
C
to keep
D
keeping
The best way ___ your English is to join an English club.
#49511
A
to improve
B
improve
C
improving
D
improves
