---Mary has been trained hard for the last two years.
---______ she did so well at the track and field meet yesterday.
| A．No doubt | B．No question | C．No wonder | D．No problem |
It’s been over a year since Iback from the countryside.
| A．was coming | B．had come | C．will come | D．came |
He was eagerwork,for he could not imagine life without it.
| A．at | B．for | C．on | D．of |
Do you think the Democratic People’s Republic of Korea will all the contents of the Korean nuclear issue?
| A．approve | B．be approved |
| C．be approved of | D．approve of |
She has never done anything for them,they have done everything for her.
| A．when | B．as | C．whereas | D．because |
The argument remains extremely heatedthere are necessary conditions of existence such as water on the Mars.
| A．that | B．whether | C．if | D．which |