We laugh at jokes, but seldom about how they work.
（2010 .四川）
| A．we think |
| B．think we |
| C．we do think |
| D．do we think |
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 |
The place _____ the bridge is supposed to be built should be _______ the cross-river traffic is the heaviest.
| A．to which; where | B．at which; where |
| C．by which; in which | D．for which; which |