SHE DIDN’T WRITE TO HIM UNTIL SHE RECEIVED HIS LETTER. VIẾT LẠI CÁ...

15. She didn’t write to him until she received his letter.

Viết lại các câu sau đây theo yêu cầu:

A. It was not until she received his letter which she wrote to him.

B. It was not until she write to him that she received his letter.