—How many days are there a week? — Seven.A. on B. at C. in
( )(5) Sorry , I ____ know . A. do B. does C. don’t
( )(4) Look ____ the newspaper . A. in B. at C. on
( )(3) Who is _____? A . she B. his C. your
( )(2) My uncle is ___ actor . A. a B. an C. none
( )(1) _____ is his job ? A. Who B. What C. Where