Which of these sentences is correct ?
| A．She wondered what’s wrong with her dog. |
| B．I am not sure what does he do for a living. |
| C．Nobody knows how he repaired his broken bike this morning. |
| D．He asked if that it would rain the following day. |
Tony knows China very well because he ______ in China for twenty years.
| A．works | B．was working | C．will work | D．has worked |
The students asked Mr. Wang ______ them some advice on reading.
| A．give | B．gave | C．giving | D．to give |
Mr. Green, a famous writer, ______ our school last month.
| A．visited | B．visits | C．is visiting | D．will visit |
— What’s the news in today’s newspaper?
—______ special. Let’s go out for a walk.
| A．Nothing | B．Something | C．Anything | D．Everything |
—______ you read the words in English?
—No, I can’t. They are too difficult for me.
| A．Must | B．May | C．Can | D．Need |