______ I had done it I knew I had made a mistake.
_____ friend of my sister’s will come to see her tomorrow. I’m wondering what ___ man he is going to be like.
—Hello, may I speak to Dr.Bush?— .
13. By the end of last year we more than 2000 teachers of English all over the province .
He wondered if he could slip out of the lecture hall without anyone
.Jack’s room always has the awful smell of an apartment whose windows are________opened.