题目内容
4. You failed in the final examination last term. You have to work harder to (catch) the class.
4. catch up with catch up with sb意思是"赶上某人",符合题意。
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题目内容
4. You failed in the final examination last term. You have to work harder to (catch) the class.
4. catch up with catch up with sb意思是"赶上某人",符合题意。