You can find me easily, for there is only one house _______ roof is flat.

I wonder _______ .–An English Speech Contest.

Have you heard that he was awarded the NobelPrize in Literature last year—- ________ He has made a positive contribution tothat field

I__________it to my teacher to take a better-paid post if I can get one. [ ]

Excuse me， are these books____ – No， they are classmate’s.