---Hey! Everyone in the office was at the dinner party in honor of Mr. Charles except you. What happened?
---I ______ after Mike, my colleague. He was badly ill.
| A．have looked | B．was looking | C．would look | D．had looked |
Jack's speech was heard by a group of five judges, all of ____ agreed that it was the best one this year.
| A．who |
| B．which |
| C．that |
| D．whom |
All the neighbours admire this family ____ the parents are treating their child like a friend.
| A．why |
| B．where |
| C．which |
| D．that |
____ is known to everybody, the moon travels round the earth once every month.
| A．It |
| B．As |
| C．That |
| D．What |
I shall never forget the days ____ the Olympic Games were held in Beijing, ____ has a great effect on my life.
| A．when; which |
| B．that; which |
| C．when; that |
| D．which; that |
Gun control is a subject ____ Americans have argued for a long time.
| A．of which |
| B．with which |
| C．about which |
| D．into which |