题目内容
A. If we could all do our best to keep this office tidier it would help.
B. If we could all _______ _______ _________ to keep this office tidier it would help.make an effort
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题目内容
A. If we could all do our best to keep this office tidier it would help.
B. If we could all _______ _______ _________ to keep this office tidier it would help.make an effort