—The light in his office is still on. Do you know _______?
—To prepare for the material(材料) the meeting will need tomorrow, I think.
| A．if he works hard | B．why he stays up so late |
| C．why is he so busy | D．when he will stop working |
The girl is afraid to dance in public because she thinks others may________her．
| A．laugh at |
| B．wait for |
| C．hear of |
| D．agree with |
________you read it，you can’t imagine how moving the story is．
A．Unless
B．Because
C．Although
Mo Yan won the Nobel Prize for Literature last year．________excellent he is！
| A．How |
| B．What |
| C．What a |
| D．What an |
I won’t go to tomorrow’s party________I am invited．
A．if
B．unless
C．when
—________foggy day！
—Something must be done to solve the haze problem．
A．How
B．What
C．What a