--- I saw Nancy on the way home yesterday.
--- It be her. She’s gone to America for further study.
| A．mustn’t | B．can’t | C．won’t | D．needn’t |
With so many people __in English every day, we can see it will be more and more important ___a good knowledge of English．
| A．to communicate, have | B．communicate; having |
| C．communicating; to have | D．communicated; to have |
Farmers in Kaifeng grow a lot of peanuts every year, some of __shipped to foreign countries．
| A．them | B．which | C．it | D．what |
Always read the ___ on the bottle carefully and take the right amount of medicine．
| A．explanations | B．descriptions |
| C．introductions | D．instructions |
—Have you ever visited the Opera House?
—Yes．When I was in Sydney, I___it twice．
| A．had visited | B．visited | C．have visited | D．would visit |
In recent years,___global warming is becoming___concern for people all over the world．
| A．the; the | B．不填；不填 | C．不填；a | D．the; 不填 |