____________ be late, or you will miss the exciting beginning of the speech.
| A．Mustn’t | B．Can’t | C．Don’t | D．Shouldn’t |
He speaks English ________ an American, so we all think he stays in America for many years.
| A．as good as | B．worse than | C．as badly as | D．as well as |
She likes to sleep with the windows _________.
| A．opened | B．opening | C．open | D．opens |
--Who is making much noise?
---It ____ be Timmy. He is sleeping now.
| A．can’t | B．may not | C．mustn’t | D．couldn’t |
_________ important news he told me this morning!
| A．How | B．What | C．How an | D．What an |
He hopes his son _________ a doctor in the future.
| A．to be | B．be | C．will be | D．to become |