單詞拼寫

1.  The old scientist has devoted all his life to studying the____________(起源)of life on the earth.

練習冊系列答案
相關習題

科目：高中英語 來源： 題型：

19. It doesn't matter if they want to come to your party ，   ？

A. doesn't it      B.  does it

C. don't they      D.  do they

查看答案和解析>>

科目：高中英語 來源： 題型：

11. Yesterday Tim didn't watch TV,    did he read newspapers.

A. nor       B. none

C. either     D. so

查看答案和解析>>

科目：高中英語 來源： 題型：

9. Not until he called the secretary three times    that the manager went to an important meeting.

A. did he tell      B.  he told

C. was he told     D.  he was told

查看答案和解析>>

科目：高中英語 來源： 題型：

16.   and caught the mouse.

A. Up the cat jumped B. The cat up jumped 

C. Up jumped the cat D.  Jumped up the cat

查看答案和解析>>

科目：高中英語 來源： 題型：

5.  Mr White has been working all the morning with no rest. He is an ____________(精力充沛的）man. He never looks tired.

查看答案和解析>>

科目：高中英語 來源： 題型：

3. 一Tony, why are your eyes red?

―I    up  peppers for the  last five minutes.

A. cut        B.  was cutting

C. had cut    D.   have been cutting

查看答案和解析>>

科目：高中英語 來源： 題型：

11. Since the recent river pollution in Shanxi Province, people    more  and more attention to the water quality.

A. pay         B.  are paying

C. have paid    D.  have been paying

查看答案和解析>>

科目：高中英語 來源： 題型：

12. She told me that she had mailed part of the products and that the rest     in a few days.

A. has followed      B. have followed

C. was following       D. were following

查看答案和解析>>

同步練習冊答案