Strong winds blew off the roofs of many houses in the area. （改为被动语态）
The roofs of many houses in the area
were blown
were blown
off
by
by
strong winds.

【答案】were blown；by

【解答】

【点评】

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发布：2024/6/27 10:35:59组卷：7引用：1难度：0.7

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Strong winds blew off the roofs of many houses in the area. （改为被动语态）The roofs of many houses in the area were blownwere blown off bybystrong winds.