He is no fool at all，________，he is the smartest boy I have ever seen.
| A．in addition | B．in fact | C．in particular | D．in general |
China's reform and opening has been going on for ________ is like about 30 years now and it's really quite remarkable.
| A．that | B．which | C．what | D．it |
There is ______ word in the dictionary.
| A．no such | B．not a such | C．no such a | D．not such |
After many years of hard work，the man has finally reached the stage________he has gained good fortune and social status.
| A．where | B．that | C．which | D．why |
This is ______ that dog.
| A．as a big dog as | B．as big a dog as |
| C．a as big dog as | D．a big as dog as |
He worked hard and achieved what he set out to do, but ________ what he had owned, including his health and his marriage.
| A．at the mercy of | B．at the risk of |
| C．at the cost of | D．at the service of |