If Penicillin had not been available, many people _______ from sickness or even small wounds.
| A．had died | B．have died |
| C．would have died | D．should have died |
— Remember the first time we met, Jim?
— Of course I do. You ____ in the library.
| A．were reading | B．had read | C．have read | D．read |
The vegetables didn’t taste very good. They ____ too long.
| A．had been cooked | B．were cooked | C．had cooked | D．cooked |
— Was the driving pleasant when you went to Mexico last summer?
— No, it ____ for four days when we arrived, so the roads were very muddy.
| A．was raining | B．had been raining | C．would be raining | D．rained |
I used to drink a lot of tea but these days I _____ coffee.
| A．prefer | B．preferred | C．have preferred | D．am preferring |
— Can you give me the right answer?
— Sorry, I _____.Would you repeat that question?
| A．hadn’t listened | B．haven’t listened | C．don’t listen | D．wasn’t listening |