What about _____dictionary on the bookshelf? ---It’s very useful ,I think
—It’s too hot.Would you mind the door?—,please do it now.
Mrs Green are very grateful to the neighbour _____ helped her child out of the fire.
—You are leaving your school.How do you like it? —Very much, of course, I this school since I moved here
—Do you think the first problem in this math test difficult? —Yes.I could work it out.
—_____ good news he brought us yesterday! —Yes, all the students were very excited.