—Would you mind if I open the window?
— .
A、Not at all
B、Yes, please do
C、All right
__________news! Our family will go to Guilin for a ________visit.
| A．What an excited ; six days’ | B．What excited ; six days’ |
| C．What an exciting ; six-day | D．What exciting ; six-day |
John, you play with the knife, or you hurt yourself.
| A．won’t; can’t | B．mustn’t; may |
| C．shouldn’t; must | D．can’t; shouldn’t |
---What ________ he say to you just now?
---He told me that he ________ his key in the room.
| A．did; leave | B．does; left | C．did; had left | D．do; had left |
---Did you return Helen’s call?
---I didn’t need to _________I’ll see her tomorrow．
| A．though | B．unless | C．when | D．because |
Now the air in our city is _______ than it used to be. Something must be done to stop it.
| A．very good | B．much better | C．rather bad | D．even worse |