Theworkersarebusy的精選

問題詳情： Theworkersarebusy_______windowstothenewbuildingthesedays.   A.fix               B.fixed       C.fixing        D.tofix【回答】C知識點：動詞和動詞短語題型：選擇題...

問題詳情：Theworkersarebusy________windowstothenewbuildingthesedays.A．fix B．fixed C．fixing D．tofix【回答】C知識點：動詞和動詞短語題型：選擇題...