如果想问Tom的哥哥是干什么工作的，你可以问：
A. What is your brother?
B. What do your brother?
C. What does your brother?
This packet of sweets _______very nice.
A. is
B. are
C. don’t
What’s that in the river? __________.
A. That’s a duck.
B. There’s a duck.
C. It’s a duck.
Look at __________ moon in the sky.
A. a
B. an
C. the
The house’s shadow _____________ not short.
A. is
B. are
C. am
In the afternoon, the hill’s shadow ____________ short again.
A. grow
B. grows
C. growing