---I visited the Qinhu Lake last Sunday.
---______ Why didn’t you tell me earlier?
| A．Have a good time | B．I hope so. | C．You did? | D．It’s kind of you. |
—What _______ the number of the students in your school?
—About two thousand. A number of them _______ from the countryside.
| A．is; ,are | B．is; is |
| C．are; is | D．are; are |
Hurry up! Once the concert starts, nobody _______ to enter the concert hall.
| A．allows | B．allowed |
| C．is allowed | D．is allowing |
Your dream will come true _______ you put your heart and into it.
| A．if | B．unless |
| C．although | D．So |
—Could you please have a walk with me?
—Sorry, I _______. I have something important to do now.
| A．mustn’t | B．needn’t |
| C．can’t | D．may not |
—Why are you in such a hurry, John?
—There _______ an NBA basketball game in ten minutes.
| A．will be | B．was |
| C．would be | D．has been |