–David, it’s Frank. Do you have a few minutes? I need to see you.
-- _______. But I hope “a few minutes” doesn’t turn into an hour.
| A．I’m afraid not | B．It doesn’t matter | C．I don’t think so | D．I guess so |
_____ a certain doubt among the workers as to whether he could finish the task in a short time．
| A．It was | B．There had | C．There existed | D．It had |
_____ he met with the terrible difficulty did he realize the importance of my advice．
| A．Even though | B．Only before | C．Never until | D．Ever since |
Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing．
| A．whether | B．that | C．what | D．when |
After ______silence of several minutes, he came towards her and said, “I have struggled with my feelings , but without ______success!”
| A．a; the | B．the; a | C．不填; a | D．a; 不填 |
.---Can I watch the World Cup games tonight?
---_____.I know you have a lot of homework to do tonight.
| A．Don’t worry about it. | B．It’s out of question. |
| C．It’s out of the question. | D．It’s reasonable. |