34.fit as a fiddle 身体很健康 35.grin and bear 任劳任怨,毫无怨言地忍受 36.hit the spot (特指吃了食物,喝了饮料之后)精神完全恢复过来或感到满足 37.keep between the two of us 不让第三者知道,保密 38.know a thing or two about 略知一二...
20.This will not only keep the study habit alive but also keep you up to ___ on your class assignments and projects. A. day B. date C. number D. time 21.I can‘t ___ the meaning of his poem because it’s too vague. A. turn out B. put ou
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