1 . In China, many families would like to have a __________ (第二个) child because of the two-child policy.

2 . 这个故事可以追溯到公元前4世纪。
The story dates back to __________________.

3 . He is poor in math, but when it comes to English, he is __________ to none in his class. (首屈一指)（根据提示完成句子）

4 . Our country is nearly      years old. We'll celebrate its       birthday on October 1, 2019 around the country.

A．seventy, seventy	B．seventy, seventieth
C．seventieth, seventy	D．seventieth, seventieth

5 . —Hi, Ted! How was your trip to Mount Huangshan last month?   
—Fantastic! I am expecting to go there for a       time.

A．one

B．first

C．two

D．second

6 . There are 24 solar terms in a year. Grain Rain often starts in April, the         month of the year.

A．Third

B．fourth

C．fifth

D．sixth

7 . —Where is Class         ?   
—It's on the          floor.

A．Six; third

B．Sixth; third

C．Six; three

D．Sixth; three

8 . In ________, he had failed eleven times,but he decided to have a ________try.

A．the thirties; twelve	B．the thirties; twelfth
C．his thirties; twelfth	D．his thirties; twelve

9 . I live in a tall building and I live _________ floor．

A．in twelfth	B．on the twelfth
C．in twelve	D．on the twelve

10 . I think that the _________ century will bring us more hopes.

A．twenty-one	B．twentieth-one
C．twentieth-first	D．twenty-first