There is enough space to __________ the earth now.

A. live on       B. live in         C. live on in      D. live in on

 I know eight ___________ five ___________ forty.

A. multiply; is   B. multiplied by; is  C. multiply; are  D. multiply by; are

We prefer __________ at the party rather than _________.

   A. to sing; dance  B. to sing; dancing  C. sing; to dance  D. sing; dance

 It is said that the population of the world may be seven billion ______.

A. by 2010 year  B. in the 2010    C. by the year 2010  D. in 2010 year

 You ________ a used car _______ as little as 500 dollars last month.

   A. paid; of       B. bought; for    C. spent; for       D. cost; to

 Do you know that Great Britain has ________ population of 59 million?

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

 The Clarks will come back to Chongqing ___________.

   A. after three day’s time           B. in three day’s time

   C. after three days                D. in three days’ time

He promised us that he __________ early but he _________ yet.

A. will be; hasn’t arrived B. has been; isn’t arriving

C. was; hasn’t been arriving D. would be; hasn’t arrived

 The students in my school are twice as ________ as ________ in No. 5.

   A. many; that     B. much; that    C. many; those    D. much; those

单项选择。从A.B.C.D四个选项中选出可以填入空白处的最佳答案。

Do you know _____ the population of China _____?

     A. how many, is    B. what, is   C. what, are   D. how much, is