Paul did so well in his speech today that he should have rehearsed it many times this past week.
Đáp án: C
Giải thích: must have VpII: chắc hẳn đã
Dịch: Paul đã làm rất tốt trong bài phát biểu của mình ngày hôm nay rằng ông đã phải diễn tập nó nhiều lần trong tuần qua.
Find the mistake in the sentence
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