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
Don’t throw away the waste paper. It needs so that it can be reused.
#48488
A
to destroy
B
destroying
C
to collect
D
colleting
_________ green or _________ in a light green room _________ good for us.
#49836
A
Wear; sleep; is
B
Wearing; sleeping; are
C
Wear; sleep; are
D
Wearing; sleeping; is
The thief was noticed _____the office building by the back door on the screen.
#51161
A
enter
B
enter into
C
to enter
D
to enter into
The little boy was last seen __________ football by the river.
#48508
A
to play
B
play
C
played
D
playing