来源:网络资源 2023-03-29 16:20:24
主语+was/were+现在分词…
肯定句
Millie was drawing a picture when Mr Green
come in.
当格林先生进来时,米莉正在画画。
When Jim's mom came in, he was doing his
homework.
吉姆的妈妈进来时,他正在做作业。
Sorry. I was swimming with my friends at
that time .
对不起,我那时正在和朋友一起游泳。
I saw him in the library yesterday. He was
reading a book at that moment.
昨天我在图书馆看见他了。那时他正在读一本书
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