MODULE 9 - Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân
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What ________ when the accident ________? A. have you been doing / occurs B. are you doing / will occur C. will you be doing / has occurred D. were you doing / occurred

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What ________ when the accident ________?

have you been doing / occurs

are you doing / will occur

will you be doing / has occurred

were you doing / occurred

Giải thích

Chọn đáp án D