题目内容
49. 准时做某事 be on time sth.
50. 为......做准备prepare …
51. 为......训练train …
52. 沉住气;保持冷静 one's cool
49. for 50. for 51. for 52. keep
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题目内容
49. 准时做某事 be on time sth.
50. 为......做准备prepare …
51. 为......训练train …
52. 沉住气;保持冷静 one's cool
49. for 50. for 51. for 52. keep