(2012年河南长葛高三月考，29)He made another wonderful discovery，________of great importance to science.
| A．which I think is |
| B．which I think it is |
| C．which I think |
| D．I think which is |
The book __________ ten units, two revisions
| A．contains ； including |
| B．includes ； containing |
| C．includes ；contained |
| D．contains；included |
—Why didn't he attend the meeting yesterday?
—__________ he caught a bad cold and now he is in hospital.
| A．Now that |
| B．Since |
| C．Because |
| D．As |
Many years ago, he dreamed of becoming the first person __________ both South and North Poles.
| A．reaching |
| B．to reach |
| C．to have reached |
| D．having reached |
The __________ of his aim depends largely on himself.
| A．achievement |
| B．agreement |
| C．view |
| D．appreciation |
I was about to go out __________ he came in.
| A．that |
| B．while |
| C．when |
| D．than |