(Viên chức Mầm non) 5000+ câu trắc nghiệm Ngoại ngữ có đáp án - Test 2
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You ________ for five straight hours. Why don‘t you take a break.

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You ________ for five straight hours. Why don‘t you take a break.

Studied

was studying

had studied

have been studying

Giải thích

Đáp án đúng là d.