Underthetree的知识精选

 Underthetree
问题详情: Underthetree_____ofaboutten,whowaswaitingforhismothertocomeback.     A.aboysat       B.didaboysit  C.sataboy      D.aboydidsit【回答】 C。作地点状语的介词短语置于句首时,...
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