AFTER JOHN HAD WASHED HIS CLOTHES, HE BEGAN TO STUDY.  BEFORE ___...

Lớp 10 Tiếng Anh Bộ đề thi Tiếng Anh lớp 10 Học kì 2 không có đáp án (15 đề)

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36.

After John had washed his clothes, he began to study.

 Before ________________________________________________________