Only when the war was over_____ to go back to the village where he had lived for so many years.
| A．was able he | B．he was able |
| C．able he was | D．was he able |
He talks about Rome as if he _________there before.
| A．were | B．had been | C．has been | D．was |
I was on the highway when this car went past followed by a police car. They ______ at least 150 kilometers an hour.
| A．should have been doing | B．must have been doing |
| C．could have done | D．would have done |
All the teachers discussed the plan that they would like to see __________ in the next school year.
| A．carry out | B．carried out | C．to carry out | D．be carrying out |
I still remember __________ chess in class by my teacher about twenty years ago.
| A．to be caught to play | B．being caught playing |
| C．catching play | D．having caught playing |
The shopkeeper did not want to sell for ______ he thought was not enough.
| A．where | B．how | C．what | D．which |