---“Why do you have to be there at six?”
---“The teacher demands that everyone _____in his seat at six.”
| A．would be | B．can be | C．be | D．will be |
If you had arrived half an hour earlier, you _____ the well-known writer in the flesh.
| A．had met | B．would have met | C．would meet | D．could meet |
The chemistry teacher demanded that the laboratory report _________ immediately after the experiment was done.
| A．to be written | B．would be written |
| C．be written | D．must be written |
The order came that the medical supplies ______ to the village without delay.
| A．would be sent | B．should send | C．be sent | D．must be sent |
Had I known her name，I________.
| A．would invite her to lunch | B．would have invited her to lunch |
| C．invited her to lunch | D．could invite her to lunch |
Look at the trouble I am in! If only I your advice!
| A．followed | B．had followed | C．should follow | D．would follow |
The teacher demanded all the exercise books ______ the next day.
| A．to be handed in | B．would be handed in | C．be handed in | D．to hand in |
--- Did they attend the opening ceremony?
---They _, but they were late and quit it.
| A．would | B．would have | C．didn't | D．will have to |
---Ann looks hot and dry.
---So _______ you if you had a high fever.
| A．do | B．are | C．will | D．would |
If it ____for the snow, we____ the mountain yesterday.
| A．were not, could have climbed | B．were not, could climb |
| C．had not been, could have climbed | D．hadn’t been, could climb |