They climbed rocks, _____rivers and settled in the valley.

A. across    B. crossing     C. crossed     D. and crossing

  – What caused the fire?

 --- ______.

   A. Because of a cigarette end     B. cigarette end caused

   C. A cigarette end              D. Because a cigarette did

    -- _________.

--- Thank you. I certainly will.

A. Happy birthday to you.      B. let me help you with your maths

C. Don’t forget to post the letter  D. Please remember me to your family.

    I do believe that ______ swim across the river, but, in that situation, I ____ do that.

A. am able; couldn’t          B. could; was able to

C. was quite able to; couldn’t   D. couldn’t was able to

     It’s right of you to do that; you know, it ______one to be honest.

A. gives   B. takes    C. pays    D. offers

     The man insisted that he ____ nothing wrong and that he _____ free.

A. had done; be set    B. did; was   C. had done; would be   D. did; would be

     –  Steve. We will take an examination in physics next week.

--- Yes, but don’t work too hard. _______.

 A. It doesn’t matter     B. All the best    C. Take it easy    D. Try your luck

     After he won all the money they treated him ______a king.

A. like    B. as     C. as if      D. seemed

         The great use of the school education is not so much to teach you things _____ to teach the art of learning.

A. rather than     B. than      C. nor         D. as

It suddenly         me that we could use a computer to do the job．

A．beat   B．found    C．struck    D．warned