—Are there________birds in the trees?
—Yes，there are.
A．one B．any C．a
—How is Big Ben?
—It's________and________．
A．new；small B．old；tall C．young；big
—How is the River Thames?
—It's________and________．
A．long；wideB．short；old C．tall；wide
为下列句子选择合适的答语。(20分)
( )（1）Is this your sister?
( )（2）What's this?
( )（3）Where are you from?
( )（4）Is that your house?
( )（5）What is it about?
I'm________China.
A．from B．at C．on