— What are you going to be when you grow up, Lily?
— I’m going to be ________ astronaut like Wang Yaping.
a
an
the
/
Simon enjoys ______.
—How do you say 300,165,008? —______.
—How long do you sleep every night? —______.
I’m busy in the evening, because there ______ lots of homework to do.
The shirt is made ______ silk.