--- 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
I would like      e-mails to friends.
#50484
A
to write
B
write
C
writing
D
to write to
Tom wants ________ you. Are you free?
#48737
A
to speak
B
tell to
C
to talk to
D
talk to
—Do you want ____for your son? —Yes, I do.
#48861
A
to buy any books
B
buy any books
C
to buy some books
D
buy some books