Not until he left his home _____ to know how important the family was for him.
| A．did he begin | B．had he begun |
| C．that he began | D．he had begun |
Despite the rule _____ mobile phones are forbidden in class, my deskmate can’t help playing phone games occasionally.
| A．which | B．what | C．that | D．where |
Though ____ he said was of little help to me, I thanked him all the same.
| A．what | B．which | C．that | D．who |
Finally, he lived up to ______ had been expected of him.
| A．what | B．that | C．it | D．as |
A modern city has been set up in _____ was a wasteland ten years ago.
| A．that | B．what | C．which | D．where |
His technique has developed to the point _____ he can help kill the latest computer virus going round the city.
| A．that | B．which | C．when | D．where |