—Do you mind my opening the window for a while?
—_______
| A．No, thanks. | B．No, Good idea. | C．Yes, please. | D．Yes, Better not. |
---You haven't lost the concert ticket, have you?
--______. I know it is not easy to get another one at the moment, but nowhere can I find it．
| A．No, I haven't | B．I don't hope so | C．Yes, I'm afraid so | D．I hope not |
— My sons are not a little restless．
— Oh? Boys _______ be boys．
| A．should | B．can | C．may | D．will |
Mary said that once ________ him you would like him and make friends with him.
| A．meet | B．to meet | C．meeting | D．met |
–Why must you go shopping in such weather?
–My coffee has _____.
| A．run out of | B．given out | C．given away | D．used up |
There was something wrong with the network， or the e-mail____ earlier.
| A．could have been sent | B．might be sent |
| C．need have been sent | D．must be sent |