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
------Look at the old women on the square. How happily they are dancing! ------Yes. But they _____ stay at home alone or watch TV.
#55575
A
used to
B
would like
C
did not
D
were used to
They had a wonderful time _______
#58860
A
chating on the Internet
B
chatting on the Internet
C
chating in the Internet
D
chatting in the Internet.
The girl stopped________ but she________ nothing.
#53751
A
to listen; hear
B
to listen; heard
C
hearing; heard
D
listening; heard
