题目内容

用 before long或 long before填空。
1. _____ pyramids were built, and we'll go    to visit them ____.
2. My friend,Jim Green,will come back to  Beijing ____.
3. It was not _____ everyone came to know her.
4.  ____ he had to return to the village where he once lived ____ .
1. Long before; before long   2. before  long  3. long before  4. Before long ; long before
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