BỘ 30 ĐỀ THI VÀO LỚP 10 MÔN TIẾNG ANH CÓ ĐÁP ÁN - ĐỀ 10

He had a bad fall while he ( repair ) .............................. his roof

19/52

He had a bad fall while he ( repair ) .............................. his roof.

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Giải thích

was repairing