Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đầy đủ đáp án (Đề 3)

I couldn’t them when we climbed the mountain.       A. keep out of   B. keep up with     C. keep away from  D. keep on with

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I couldn’t ________ them when we climbed the mountain.

keep out of

keep up with

keep away from

keep on with

Giải thích

Đáp án: B