C1:Identifying mistakes:(sửa lỗi sai,rồi viết ra) 1.My father used to playing football when he was young A.used B.playing C.when D.was 2.There is a meeting between 9a.m and 11a.m in Monday morning A.there is B.between C.and D. in Monday morning Lưu ý Nhớ sửa lỗi sai nhé các bạn

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