(    ) 1.-- _________ students in your class are from foreign countries?  -- Only one.

       A. How many    B. How often    C. How much        D. How long

(    ) 2. Ann likes fruits, ___________ she doesn’t like vegetables.

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

(    ) 3. — __________ does your mother come to see you ? — ______ Once a week.

     A. How often     B. How many       C. How                   D. When

(    ) 4. Don't read ________ the sun. It's bad        your eyes.

              A. in, to              B. under, with        C. under, at             D. in, for