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
It’s better ____ your voice down in public places.
#49478
A
keeping
B
to keep
C
keeps
D
keep
The best way ___ your English is to join an English club.
#49511
A
to improve
B
improve
C
improving
D
improves