30 đề thi thử thpt quốc gia tiếng anh năm 2020 cực hay có lời giải (Đề số 6)

For centuries.people have wondered why have they particular dreams

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Identify the underlined word ỏ phrase that is incorrect
For centuries.people have wondered why have they particular dreams while they sleep.

For centuries

have wondered

have they

while

Giải thích

Đáp án là C. have they => they have