The expo is being held in Shanghai, __________ a lot of advanced technology is shown for the first time.
| A．why |
| B．which |
| C．when |
| D．where |
Ladies and gentlemen, please fasten your seat belts .The plane _____ .
| A．takes off | B．is taking off | C．has taken off | D．took off |
I have bought the same computer she is using.
| A．as | B．that | C．which | D．than |
My grandpa _________ in the city and after he retired, he setteled in the countryside. Now he
______ the life there.
| A．used to live; is used to | B．used to living ; used to |
| C．was used to living; used to | D．used to live;got used to |
He didn’t make clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
Not until they left school ____how much their teachers loved them and helped them.
| A．that they realized | B．had they realized |
| C．when they would realize | D．did they realize |