. --- Great changes have taken place in your city!

--- Yes, our city has developed into a big city, which is ______ it used to be.

A. three times larger than that             B. three times the size larger than what

C. three times the size of what              D. as three times the size as that

Our city has changed a lot; who can tell what it will be like in _____ten years?

1. A.
   other
2. B.
   next
3. C.
   more
4. D.
   another

The average price of commercial houses in our city has reduced by _____ 30 percent ,so we can buy one at _____ low price .

the; the        B.   the; /            C.  /; a             D.  /; the

Though our city has a good public transport system, _______ private car is becoming _________ popular means of transport.

A．a; /              B．the; the           C．the; a            D．/; the

Our city has experienced ___this year as it did last year.?

A. twice as much rain?????? B. rain twice as much?? ???? ????????????? ?????????????

C. as twice much rain????? D. twice rain as much