—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
The roof of the house needs repairing.It’s raining now,you’d better get something to ________ rain drops.
#60112
A
control
B
cover
C
carry
D
catch
— Where are your parents? — They ____ Shanghai. They will be back in two days.
#59318
A
have gone to
B
have been to
C
went to
D
go to
Tom took a taxi to the airport, only _____ his plane high up in the sky.
#53467
A
finding
B
to find
C
being found
D
to have found