Trắc nghiệm Chuyên đề 5: Writing có đáp án (Phần 2)

We are meeting an astronomer tonight. This astronomer has discovered three Earth-like planets.  The astronomer

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We are meeting an astronomer tonight. This astronomer has discovered three Earth-like planets.

è  The astronomer       ___________________________________________________________________

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Giải thích

The astronomer (who / whom / that) we are meeting tonight has discovered three
Earth-like planets.