—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
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That __________ a good idea.
#54826
A
sounds
B
sounds like
C
listens
D
listens to
I _____ this book for two weeks. I have to return it now. 
#54965
A
borrowed
B
have borrowed
C
kept
D
have kept
My mother often _________ early in the morning, but I seldom _________ before 6:30.
#55664
A
wakes me up; get up
B
wakes up me; get up
C
gets me up; wake up
D
gets up me; wake up