--- What should I do, doctor? ---         healthy,  you should take more exercise.
#50593
A
Keep
B
To keep
C
Keeping
D
To keep out
推荐题目
----What about ____________ this afternoon? ----Sounds great. Let’s go __________ and buy some water first.
#50206
A
playing tennis; to shop
B
play tennis; to shop
C
playing tennis; shopping
D
play tennis; shopping
---What did Lily tell you just now?----She asked me _______ others her secret.
#49235
A
to tell not
B
not to tell
C
don’t tell
D
not tell
She’ll spend as much time as she can      to improve her spoken English. 
#48523
A
speak English
B
to speak English
C
speaking English
D
speaks English