问题

We have to do our best ________ what we have.
A:with
B:to
C:in
D:at;
B:to
C:in
D:at;
正确答案是:
同类题型
a volunteer isgreat.—I think so. Some of us wantvolunteersfor the London Olympics.
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I guess Peter and his sister Sally enjoyed __________ at the dancing party.
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