() 17. We will have no water to drink we don' t protect the earth.

   A. until   B. before   C. though   D. if

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：初中英語(yǔ) 來(lái)源： 題型：

7. The sea is very beautiful,   (尤其是) when the sky is blue and the sun shines.

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源： 題型：

(   ) 18. Though his seven-year-old son was at home this evening,he didn't feelat all,because he was busy playing the computer games 

  A.alone;alone     B. lonely; done 

 C. lonely;lonely   D. alone;lonely

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源： 題型：

() 5. Can you swim the river with a bridge it?

   A. across;over   B. across;cross  

    C. over;over      D. through;on

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源： 題型：

() 12. The sweet smell of the flowers in the garden comes in the open windows,making us feel good.

   A. through   B. with   C. on   D. across

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源： 題型：

() 22. the letter,Mr Wang wrote down his name.

   A. In the end of   B. In front of   

    C. At the end of    D. In the beginning of

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源： 題型：

() 29. 一Do you know who will be the winner of the game?

—No one knows the end of the game.

   A. in   B. as   C. until   D. when

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源： 題型：

() 11. many fish in the big lake,but now we can only see rubbish in it instead.

   A. There used to be        B. There used to have

   C. There is used to being   D. There is used to having

查看答案和解析>>

科目：初中英語(yǔ) 來(lái)源： 題型：

() 22. —I hear Sam has gone to Qingdao for his holiday.

—Oh,how nice!Do you know when he ?

   A. left   B. was leafing   C. has left   D. had left

查看答案和解析>>

同步練習(xí)冊(cè)答案