当你要问这是谁的外套时,你应该说:A. Who is this? B. Whose coat is this?
forks are these? A. WhoB. Whose C. Who’s
I like ______the piano. A. playB. playingC. plays
What ______are they in? A. Class B. GradeC. class
Can you make a dress me? A. for B . to C. at
father is a fireman. A. Her B. SheC. Hers