认真阅读,你就懂了.
比如说:
He came. She was waiting. --------用when 和 while把它们合并起来.
1 He came WHILE she was waiting.
2 WHEN he came,she was waiting.
3 WHILE she was waiting, he came.
4 She was waiting WHEN he came.
认真阅读,你就懂了.
比如说:
He came. She was waiting. --------用when 和 while把它们合并起来.
1 He came WHILE she was waiting.
2 WHEN he came,she was waiting.
3 WHILE she was waiting, he came.
4 She was waiting WHEN he came.
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