--- What made his mother so angry?
--- the exam.
| A．Because he didn’t pass |
| B．His not passing |
| C．He passed |
| D．Because he not passing |
Jane had just finished her homework ________ her mom asked her to practice playing the violin yesterday.
| A．when | B．while |
| C．after | D．before |
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 |