题目内容
() 9. The workers are too busy . They have to keep working till they finish it.
A. having a rest B. not to have a rest
C. to have a rest D. that they have a rest
9.C
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题目内容
() 9. The workers are too busy . They have to keep working till they finish it.
A. having a rest B. not to have a rest
C. to have a rest D. that they have a rest