I used to have short hair but now I used to having short hair.
| A．didn’t | B．don’t |
| C．am not | D．haven’t |
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 |
Now it is 7 o’clock in morning in Beijing and 11 o’clock at night in London.
| A．不填；the | B．the；the |
| C．the；不填 | D．the；a |
—You’re not good at biology, are you?
—______.
A. Yes, I’m not.
B. No, I am.
C. Yes, I am.