Not until then ________ how important the brakes were.
| A．I realized | B．do I realized |
| C．did I realize | D．I did realize |
Last Sunday, Ms. Green went to the Beauty Salon, ______ hairdressing and dated with Mr. Right.
| A．did | B．doing | C．to do | D．does |
______ is going to the north of Alaska to take another advantage there.
| A．He is said that | B．It was said he | C．It is said that he | D．People said that he |
They ______ to escape from prison last month, and now the police are still tracking them down.
| A．attempted | B．succeeded | C．managed | D．tried |
It was at the entrance ______ we stood chatting ______ the accident happened.
| A．where; that | B．which; that | C．that; where | D．where; which |
For a long time they walked without saying ______ word. Jim was the first to break _____ silence.
| A．the ; a | B．a; the | C．a; / | D．the ;/ |