While the teacher was explaining the some on the
Câu hỏi
Nhận biếtMark the letter A, B C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions
While the teacher was explaining the some on the blackboard, the children threw paper aeroplanes around the classroom
Đáp án đúng: B
Lời giải của Tự Học 365
Giải chi tiết:
Đáp án: B
Trong khi giáo viên đang giảng, lũ trẻ đang ném giấy gấp máy bay -> 2 hành động: giảng và ném giấy là 2 hành động đồng thời, song song -> cả 2 đều chia ở quá khứ tiếp diễn. B -> were throwing
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