—What about the services in this hotel?

—They are at least as good as, if not superior to, ______ in yours.

A. it              B. those            C. that            D. the one

“Drive-ins” have large parking lots ______ customers are served in their cars by waitresses．

   A．who           B．when            C．which         D．where

—There aren’t any toys in our suitcase．Where have you put them?

—Oh, no．That old lady sitting next to us ______ have taken ours by mistake.

  A．must           B．could            C．should         D．would

The first prize goes to _______ makes the greatest contribution to the company.

A. whomever     B. whichever            C. no matter who     D. whoever

I’m tired out．I stayed up the whole night, ______ for my midterm math exam．

A．studying      B．to study          C．to be studying                      D．studied

Don’t mention that at the beginning of the story, or it may _______ the shocking ending.

A. give out       B. give away           C. give up        D. give off

Although cats can not see in complete darkness, their eyes are much more ______ to light than human eyes.

A. brilliant        B. attractive        C. available        D. sensitive

Mr. Smith didn’t understand _____ made his son so upset that evening.

  A. what was it        B. why it was this  C. how that was     D. what it was that

— How can I wake up so early?

   — Set the alarm at 5 o’clock,        you’ll make it.

A. but                 B. or                C. and              D. so

—How much do you know about the 3D film technology?

 —A little. Not until _______ the hot movie Avatar _______ something about it.

   A. did I see; did I begin to learn               B. I saw; did I begin to learn

   C. I saw; I began to learn                       D. did I see; I began to learn