--Tom! Did you go to see the film Journey to the Center of the Earth?
--- Yes, but I really _______ , because I had lots of homework to do.
| A．needn’t have | B．mustn’t have |
| C．couldn’t have | D．shouldn’t have |
Last night I was watching some news about the American financial crises(金融危机) on TV _______ the power went off.
| A．while | B．as | C．when | D．during |
_______ China winning 51 gold medals, the 2008 Olympic Games came to an end.
| A．As | B．For | C．Because of | D．With |
With ________ look of disappointment, he left the Student Union office. Without ________ knowledge of photographing, he missed the chance to be an editor of Babel.
| A．the, the | B．a, a | C．the, a | D．/, the |
—Do you know Jack quarreled with Tom?
—I don't know,.
| A．so don't I care | B．nor do I care |
| C．I don't care neither | D．I don't care also |