By the time he was 10,he ____(make) a living by selling newspapers.
By the time he was 10,he ____(already make) a living by selling newspapers.答案是was already making
可by不都是用完成时的吗?应该是过去完成时才对啊?
By the time 能用进行时吗,
人气：291 ℃ 时间：2020-05-08 07:50:46
解答
答案是正确的
1.是讲他was十岁的时候,基本时态是过去式.
2.讲的是他十岁那一个阶段一直靠卖报纸赚钱,所以用进行式
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