题目内容：

一道英语填空 Somethung is wrong with the car.The workers are budy r＿＿it now.

优质解答

repairing

be busy doing sth 忙于干某事



如不明白请追问,如果满意请采纳
手机提问者如果满意,请在客户端右上角评价点“满意”即可, 谢谢!
祝学习进步