Students should do everything they can __their study.
#50600
A
improve
B
to improve
C
improving
D
improved
推荐题目
---What should I do, doctor?---_____healthy, you should take more exercise.
#48538
A
Keep
B
Keeping
C
To keep
D
Having kept
-------It’s time to have class. Please stop _________. ----- OK.
#49528
A
to talk
B
talking
C
talk
D
talks
It’s time for class. Let’s stop . Look! The teacher decides us something important.
#51404
A
talk, tell
B
talking, telling
C
to talk, to tell
D
talking, to tell
—I can’t stand ___________ hamburgers every noon. —Then why not stop ________ another kind of food?
#50573
A
eating; having
B
to eat; to have
C
eating; to have
D
to eat; having