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3月第一周作业（语法1-30）
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— Did you go to the lecture by the visiting professor?— No. I ______ it, but I' ve been busy taking care of my grandma in hospital these days.
After Tom had finished some paper work, he ______ interviewing the applicants.
The mother thanked the young man again and again, without _____ help her son would have been killed by the passing car.
_____ with shame, the boy lowered his head, ready for the punishment from his dad.
I am sorry I didn’t go to the cinema with you yesterday. You know, I _____ the film.
