Evidence obtained from observation and experiment is often used to _____ a scientific theory.

A. confirm            B. confine             C. conform           D. conceive

 Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.

A. As a result            B. By the way         C. On the whole      D. In a word

 You can’t guess what difficulty I had_____ your home.

   A. find              B. to find             C. finding          D. found

 The story didn’t_____ children probably because the author employed too many scientific terms in it.

  A. apply to            B. appeal to          C. refer to            D. lead to

 As a result of the strong sun, my new dining room curtains _____ from dark blue to gray within a year.

A. faded                B. fainted             C. paled              D. diminished

 I asked the tailor to make a small _____ to my trousers because they were too long.

A. change              B. variation           C. revision          D. alteration

My parents have____ us $15,000 for the house. Shall we take it?

  A. provided           B. supplied           C. shown            D. offered

 Father told me to_____the milk until it boiled and then turn off the gas.

  A observe             B. watch             C. notice            D. see

She is so______ to his English teaching that I admire for his______.

  A. devote; devote       B. devoting; devotion    C. devoted; devotion  D. devoted; devote

 It was necessary to _____ the factory building as the company was doing more and more business.

A. extend               B. increase            C. lengthen           D. magnify