When you rewrite the paragraph, I advised you to _______ the last sentence as it is rather mileading.

       A. work out                  B. leave out                  C. point out                  D. pick out

Great as Newton was, many of his ideas_____today and are being modified by the work of scientists of our time.

A.are to challenge                 B.have challenged

C.are challenging               D.have been challenged

John and Jane are of the same age, but John is taller _______ a head.

       A. than                         B. over    C. with                            D. by

He is only too ready to help others, seldom, ____, refusing them when they turn to him.

A. if never B. if ever C. if not D. if any

Each of the students, hoping to pass the exam, _____the book.?

　　A. buying    B. having bought    C. should buy    D. to buy?

She's too thin. She ____ gain some weight but she _____ too little.?

　　A. would, ate       B. will, eats?  C. would, eats    D. will, ate??

Is there a shop around _____ we can buy some toilet articles??

　　A. that　   B. which   ?   C. where　   D. what

I like swimming，while what my brother enjoys ______.

A. cooking   B. to cook   C. is cooking    D. cook

The World Health Organization gave a warning to the public without any ____when the virus of H1N1 hit Mexico in April, 2009.

A. delay              B. effort              C. schedule          D. consideration Ks

—Have you finished your homework yet?

 —Not yet, I ___ to do it just a few minutes ago.

   A. get down        B. set out        C. set about       D. set up