--_________ useful invention the computer is.
--Yes, It helps us a lot.
| A．What an | B．What a |
| C．How | D．How a |
相关试题
Look! The students _____ the classroom.
| A．clean | B．are cleaning |
| C．are clean | D．cleaning |
—May I use your bike?
—_____
| A．Of course not. | B．Of course. Here you are. |
| C．I don’t have a bike. | D．No, thanks. |
—I’m going to Kunming for my holiday this month.
—_____
| A．Please go | B．You can’t go |
| C．Best wishes to you! | D．Have a great time! |
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