—Fire is very useful to human! —Yes, especially in winter a fire _____________warm.
#62971
A
used to keep
B
can be used to keep
C
is used to keeping
D
was used to keeping
推荐题目
She prefers ________at the party rather than______.
#54638
A
to sing; dance
B
to sing ; dancing
C
sing; to dance
D
sing ;dance
I enjoy playing computer games, but I can't _____ too much time _______that.
#52005
A
take; doing
B
spend; doing
C
spend; on doing
D
take; to do
-----I called you last night, but there was no answer. ------I’m sorry, I _______dinner with my friends outside.
#53624
A
have
B
had
C
was having
D
have had