作业帮Don't you think doing morning exercises_ good for us?A.be B.am C.are D.is
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Don't you think doing morning exercises_ good for us?A.be B.am C.are D.is
Don't you think doing morning exercises_ good for us?A.be B.am C.are D.is
Don't you think doing morning exercises_ good for us?A.be B.am C.are D.is
D is,这总是一个整体,要用is
这道题选C