根据图片写单词 
A snake ___________ big sharp teeth.
A.have
B.has
C.is
Jill and I are doing _______________ homework now.
A.my
B.her
C.our
How many _______ have bicycles?.
A.boy
B.doctors
C.teacher
This child ______ some lovely pets.
A.has
B.have
C.are
Sam is ________. It is eating the bones.
A.sad
B.thirsty
C.hungry