Annie wasn’t at school today because she had to stay at home to ________ her mother.
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A
look after
B
look at
C
look up
D
look for
推荐题目
It is convenient for people to work by subway. It’s said that The Line 4 subway in Chengdu _______by the time of 2018.
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A
will be built
B
would be built
C
will have been built
D
would have been built
 Volunteers ______people ______the neighbourhood _____ different problems this weekend.
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A
help; in; with
B
will help; in; with
C
are going to help; with; in
D
are helping; in; with