人教课标 高二 选修 7
Unit 5
Unit 5 Travelling abroad
Language points
KEEP IT UP, XIE LEI. keep it up 保持优异成绩;继续干下去 keep up 保持;继续 keep up one’s morale / one’s spirits / appearance 保持士气/振作起来/装门面 keep up with sb./sth. 与……保持联络;跟上,不落在后面 keep sb. up 使某人熬夜


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