A、What's this
B、What's that
C、It's a bear
是
否
A、What’s this
B、What’s that
C、Who’s that
C、What can you see
A、Where's your pillow
B、Where's my pillow, Mom
C、It's on the chair
A、Where'smycar
B、It'soverthere
C、Thatisyourbook
A、How is he going to school
B、How are you going to school
C、re you going to school by bus