英语三级B级
简答题
These engines used to__________(start)by hand．Now they are started by electricity．．
参考答案：暂无进入在线模考
【答案】be started，
【译文】过去这些引擎需用手启动，而现在用电就可以了。
【考点】被动语态
【解析】engine与start之间是被动关系。
【译文】过去这些引擎需用手启动，而现在用电就可以了。
【考点】被动语态
【解析】engine与start之间是被动关系。
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