On the green grass , which live in perfect harmony with people there.
| A．where live many animals | B．do many animals live |
| C．live many animals | D．living many animals |
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 |
—I don't mind telling you what I know.
—You________. I'm not asking you for it.
| A．mustn't |
| B．may not |
| C．can't |
| D．needn't |