The old scientist devoted most of his time ___________ the space science.
#63172
A
develop
B
to developing
C
to develop
D
developing
推荐题目
---Can I ask you a question?--- No, you________. You _______to ask me questions during exams.
#55065
A
can’t, mustn’t
B
can’t, aren’t supposed
C
can, aren’t supposed
D
can, don’t have
Take the medicine three times a day. It can make you            than before.
#53435
A
feel better
B
to feel better
C
feeling better
D
feel well
—Jim, what are you _______?—A dog. It is playing with a ball on the floor. 
#59210
A
looking for
B
looking at
C
looking like
D
looking up
 How long have they ____ this new car?
#62337
A
bought
B
buy
C
have
D
had