( )______Saturday morning, Mr. Black walked to the park.
A. InB. AtC. On
( )It ______ from the clouds.
A. comeB. comesC. coming
( )Amy’s mother is ______ actress. Her father is ______ policeman.
A. a, an,B. a, aC. an, a
( )Betty_______ singing songs, but I _______ dancing.
A. like; like B. likes; like C. like; likes
( )If you like science, you can _______ a scientist.
A. am B. are C. be