.（北京卷24）. --I'm not finished with my dinner yet.
--But our friends for us.
| A．will wait | B．wait | C．have waited | D．are waiting |
Only when he returned home ______ what had happened.
| A．did he realize |
| B．he realized |
| C．he did realize |
| D．has he realized |
He was fortunate ____ he did not get injured in the car accident.
| A．but that | B．except that |
| C．because of that | D．in that |
He hasn’t decided _____ he will go abroad next year.
| A．whether | B．when |
| C．where | D．why |
The old man turned his business over to his younger son, ________made his elder son discouraged.
| A．who | B．what |
| C．that | D．which |
Stand _____ you are, and I will come and help you.
| A．while | B．where |
| C．which | D．what |