— Goodbye, Miss Zhao.—________ .
— ______ useful tool the computer is! — I agree. It’s ______ interesting as well.A. What a ; / B. How a; the C. What an; / D How an;
---Are you sure you don’t mind my smoking here? ---_____________.
The film shows us ________ in Beijing in the past.
---Daniel, your books are in a terrible mess on your desk. ---Really sorry. I’ll at once.
Mr. Li is not here, and you’d better call him ____3 p.m. ____ 5 p.m. tomorrow.