In the past,ice ______food.
#104372
A
used to keep
B
used to be used for keeping
C
was used to keeping
D
used to be used to keeping
推荐题目
When his mother came in, the boy pretended ____.
#99791
A
reading
B
being read
C
to read
D
to be reading
We were listening closely to the lecture yesterday evening when suddenly the light ________.
#101755
A
had been gone out
B
go out
C
was gone out
D
went out
The managers consider it is important that everything ________ by weekend.
#99612
A
will complete
B
has completed
C
be completed
D
is completing
My mind wasn't on what he was saying so I'm afraid I ______ half of it. 
#101245
A
was missing
B
had missed
C
will miss
D
missed