1.The noise of desks ___ could be heard out in the street. A．opened and closed B.to be opened and closed C.being opened and closed D having been heared and closed 　 2. There are four factories in this district,_____. A.each had over 600 workers B.each having over 600 workers C.which there are over 600 workers D.with each that has over 600 workers ( why??)

熱心網(wǎng)友

1選C，現(xiàn)在分詞作后置定語，意思是：開關(guān)桌子的聲音在街上能被聽見。2選B，現(xiàn)在分詞引導(dǎo)狀語，補(bǔ)充說明，意思是：在這個(gè)地區(qū)有4 家工廠，每一個(gè)有超過600名工人。