Warm ( )
A.冷的 B.坏的 C.暖和的
—You look sad. What’s the matter?
—_________.
A. It’s a key.
B. I can’t find my key.
C. How does it feel?
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.
It’s the key _____the door.
A. of
B．on
C．to
The two brothers are _____ blind. They can’t see anything.
A. all
B. both
C. not