—What should I do, doctor?   —______healthy, you should take more exercise.
#50576
A
To keep
B
Keep
C
Keeping
D
Kept
推荐题目
-- The math problem _________ is not difficult. --- But after several tries , I have to give up _________ on it .
#49383
A
it’s , working
B
itself , to work
C
itself , working
D
its , to work
I’d like_____to Beijing.
#48850
A
traveling
B
travel
C
travelling
D
to travel
Would you mind _________ the piano softly ?
#50945
A
to play
B
playing
C
played
D
play