Mr Green asks us to hand in our reports ______ we finish them.
| A．before | B．as soon as |
| C．though | D．because |
We have a picnic if it tomorrow.
A.will;will rain B.will;does’t rain C./;won’t rain
I want to buy iphone5, I don’t have enough money.
A.a;but B.an;and C.an;but
Linda, with her parents，_______ the Wolf Hill, and they will be back this afternoon.
A. has gone to B. have gone to C. has been to
－Dirty water shouldn’t be poured into rivers.
－_______. It will cause pollution.
A. Don’t say like this B. Never mind C. I agree with you
—My old friend White is going to visit me.
—We haven't seen each other_____ five years.
A. since B after C. for