-----_________ you interrupt now? can’t you see I am on the phone?
---- Sorry Sir, but it’s urgent.
| A．Can | B．Should | C．Must | D．Would |
The part in the filmthe man broke down the door made some of the audience give a cry.
| A．which | B．who | C．where | D．whom |
More than a quarter of the energyin the United States goes to moving people and goods from one place to another.
| A．using | B．used | C．to use | D．use |
—The battery in my cell phone is running low.
—I that last night before we went to bed.
| A．was noticing | B．have noticed | C．would notice | D．had noticed |
．What I like about Harvard isthere’s the old classical look—there are parks and traditional buildings.
| A．why | B．where | C．that | D．how |
With a lot of tough problems, the pilot was still calm, cool and collective under pressure.
| A．solve | B．solved | C．solving | D．to solve |