18. ----- Has Mary finished writing her article ? ----- No, and it _____ before class was over.
Mr. Li is______ Chairman of the meeting.
I was _____ tired _____ I thought I couldn’t cover the 70-mile hiking. But I made it finally.
People started to dig in this area, ______ caused much damage.
After his father’s retirement, he ______ the whole business.
Mr. Xie wants to know _________ for school this morning.