题目内容
7. The flowers his mother had bought for him would die unless (water) every day when he was away.
7. watered water在这里作动词。主语是flowers,故用过去分词watered表不被动,unless watered相当于unless they were watered。
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题目内容
7. The flowers his mother had bought for him would die unless (water) every day when he was away.
7. watered water在这里作动词。主语是flowers,故用过去分词watered表不被动,unless watered相当于unless they were watered。