题目内容
—Don’t give up, my children. Keep ________ and you will be successful.
—Thank you, Mr. Wang. We’ll try our best.
A. working on B. working off
C. for working D. to work
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题目内容
—Don’t give up, my children. Keep ________ and you will be successful.
—Thank you, Mr. Wang. We’ll try our best.
A. working on B. working off
C. for working D. to work