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题目内容
（安徽继续教育在线—英语）
6(5分)、
5
You must think of ______ you can do for your parents.
A、
that
B、
how
C、
what
D、
which
5
You must think of ______ you can do for your parents.
A、
that
B、
how
C、
what
D、
which
参考答案