选出不同类的一项。A.bookstore B.bus C.train
( )(5)Tom often helps people ____ his work . A. on B. at C. in
( )(4) She ___ great in her uniform . A. look B. looks C. looking
( )(3) Can ____ guess ? A. your B. his C. you
( )(2) ______ is he ? A. What B. Who C. When
( )(1) Look _____ today’s newspaper. A. at B. to C.in