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
If you ____ the chat room ten minutes ago, you ____ what we were talking about.
#103026
A
have joined; will know
B
would join; have known
C
should join; would know
D
had joined; would have known
Yunnan ______from serious drought since 2009, so it’s our duty to save water every day.
#100724
A
suffered
B
has been suffering
C
has been suffered
D
have been suffering