题目内容
(请给出正确答案)
[主观题]
Mackisverybusy;heisafull-timestudent,while__________apart-timejob.[A]tohold[B]beingheld[C]
Mack is very busy; he is a full-timestudent, while __________a part-time job.[A]to hold[B]being held[C]held[D]holding
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