The system of numbers that nearly everyone use today ________ the numbers from 1 to 9 and 0．

A．are

B．consist of

C．is

D．consists of

根据句意从括号中选择正确的单词并填写在空白处。

13 is an ________(odd, even)number．

根据句意从括号中选择正确的单词并填写在空白处。

He was ________(amusing, amused)to hear the news．

根据句意从括号中选择正确的单词并填写在空白处。

The ________(live, living)are important to us．

根据句意从括号中选择正确的单词并填写在空白处。

I played tennis five ________(times, time)last week．

根据句意从括号中选择正确的单词并填写在空白处。

This is a meeting of the world's most ________(power, powerful)countries．

I ________ the blackboard carefully, but couldn't see the words clearly．So I didn't copy them down．

A．see

B．look at

C．saw

D．looked at

It's five years since I ________ you last time．

A．met

B．meet

C．have met

D．had met

Where did he ________ two years ago?

A．works

B．worked

C．work

D．working

I ________ my old friend two weeks ago in the shop when I was looking a shirt for my son．

A．see

B．seen

C．was seeing

D．saw