1.About __of the teachers in our school ___young people under thirty.
A.two-five,are B.second-fifth,is C.two-fifths,are D.two-fifth,is
2.The editor told the newsman to write __report.
A.a two-thousand-words B.a two-thousands-words
C.a two thousand words D.two-thousand-word
3.That is a wall about __
A.ten feet high B.ten-foot-high C.ten foot in height D.ten-foot high
4.shortly after the accident,two __police were sent to the spot to keep order.
A.dozen of B.dozens C.dozens of D.dozen
5.When he was __,he moved to England.
A.in her fifties B.in his fifties C.in his fifty D.on fifty
B,in his fifties 在他50多岁时
6.___ago,our country was covered by thick forests.
A.Million of year B.Million year C Millions years DMillions of years
7.When did __break out
A.World war I B.Frist World War C.The world War D.World War Frist
8.How often do you go home ___
A.twice a month B.a twice month C.a month twice D.two a month
9.this room is __than that one
A.larger two times B.two times larger C.two larger times D.times two larger
10.Don't lose your hear,Try__
A.second B.a second time C.the second tiem D.two times
B a second time 又一次,再一次,the second time 第二次
11.They've producd__as they did last year .
A.as twice B.many tractors B.twice as many tractors
C.many tractors as twice D.as many tractors twice
B ……倍数+as many（或much）+名词+其他+as…
12..What time is it by your watch It's__.
A.six half B.thirty to seven C,six thirty D .half to seven
13.Tom is __boy in our class.
A.the third tallest B.a third tallest C.a third D.the third
14.More than __of the surface of the earth is covered with water
A.70 percent B.70 percents C,70percent D.70%percent
15.There are __day in a year .
A.three hundreds and sixty-five B．three hundred and sixty-five
C.three hundred and sixty and five D.three hundred and sixty-fifths