The careless driver received a ticket for speeding. He _______ so fast.
| A．couldn’t have driven | B．can’t have driven |
| C．wouldn’t have driven | D．shouldn’t have driven |
It was very dark，____Jane seemed to know which way to take at the crossroads．
| A．or | B．and | C．but | D．as |
Just be patient．You _____ expect the world to change so soon．
| A．can’t |
| B．may not |
| C．needn’t |
| D．didn’t |
Having finished the work，__________．
| A．it was almost six o’clock |
| B．supper was ready |
| C．a postman came and delivered some letters． |
| D．we had a rest and then had supper |
It was with great joy _______ Tom received the news that his lost son had been found．
| A．because | B．which |
| C．since | D．that |
So sudden ______ that the enemy had no time to escape．
| A．did the attack |
| B．the attack did |
| C．was the attack |
| D．the attack was |