30 đề thi thử đề thi thử THPTQG môn Tiếng Anh có lời giải chi tiết (Đề số 21)

It was suggested that Pedro studies the material more thoroughly before

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It was suggested that Pedro studies the material more thoroughly before attempting    to pass the exam.

studies

more

attempting

to pass

Giải thích

Đáp án là A. studies => study