-----Mum,my little sister is crying all the time.
------Mary,be _________!She feels sick.You should take good care of her.
| A．patient | B．lazy | C．polite | D．fair |
─That’s to say，sandstorms seldom hit that area，they？
─No，but things are different now.
| A．do | B．don’t | C．did | D．didn’t |
─Why did you pull the girl？
─You see，traffic was so busy that anything happen to her at that moment.
| A．could | B．should | C．may | D．must |
That’s a bad babit of learning. ，it is never too late for you to get out of it.
| A．Instead | B．Anyway |
| C．Finally | D．Similarly |
─Listen，they’re talking about their again！
─Well，they hope it’ll prove their answer right.
| A．experiment | B．agreement |
| C．development | D．enwironment |
─Forty students in this class？Please tell me something about them.
─OK, of them are exchange students，and all these twenty are local students.
| A．Most | B．Many | C．Few | D．Half |