The thief tried to break away from the policeman who ______ him, but failed.
| A．has held | B．had held |
| C．was holding | D．would hold |
There's a man at the reception desk who seems very angry and I think he means ________trouble.
| A．making |
| B．to make |
| C．to have made |
| D．having made |
I often see lights in that empty house. Do you think I________report it to the police?
| A．should |
| B．may |
| C．will |
| D．can |
Mr. White________at 830 for the meeting, but he didn't show up.
| A．should have arrived |
| B．should arrive |
| C．should have had arrived |
| D．should be arriving |
It has been announced that candidates________remain in their seats until all the papers have been collected.
| A．can |
| B．will |
| C．may |
| D．shall |
—Catherine. I have cleaned the room for you.
—Thanks. You________it. I could manage it myself.
| A．needn't do |
| B．needn't have done |
| C．mustn't do |
| D．shouldn't have done |