37.________________certain that his invention will lead to the development of pr

题型：不详难度：来源：

37.________________certain that his invention will lead to the development of production.

A．That"s　　　

B．This is　　　

C．It"s　　　

D．What"s

答案

解析

略

举一反三

46 Our manager allowed _______to take a holiday next week.

A．you and I

B．yourself and me

C．I and you

D．you and me

题型：不详难度：| 查看答案

47. Although he "s wealthy，he spends_____________ on clothes.

A．little　

B．few　

C．a little　

D．a few

题型：不详难度：| 查看答案

48. They were all tired, but _____ of them would stop to take a rest.

A．any

B．some

C．none

D．neither

题型：不详难度：| 查看答案

49. I don’t know whether small oranges are sweeter than big ______.

A．those

B．ones

C．one

D．that

题型：不详难度：| 查看答案

50. When they met, they stopped and said hello to_______.

A．each other

B．each another

C．the other each

D．each one

题型：不详难度：| 查看答案