1 . There are ________ doctors in this hospital, and two fifths of them are women doctors.

A．two hundred

B．two hundreds

C．two hundred of

D．two hundreds of

2 . The old lady living on the ______ floor sometimes dances with her husband on the square.(five)(所给词的适当形式填空)

3 . March is the________(three) month of a year. (用所给词的正确形式填空)

4 . Friday is the _________(第五) day of a week. （根据汉语提示单词拼写）

5 . This house is so big and beautiful. I think the rent must be _________as the other one.

A．three times as more	B．three times as much
C．as much three times	D．as three times more

6 . Many _______ of years later, the first extremely small plants began to appear on the surface of the water.

A．millions

B．million

C．million of

D．millions of