- What's wrong with Mary?- She's______ at her sister's bad behavior.
May I use your computer?
Sorry. I on it.( )
work
am working
have worked
Uncle Liang eats out because his wife always makes delicious food for him.( )
seldom
sometimes
often
We must protect animals. They are friends.( )
us
our
ours
Lucy is a/an girl. She always helps others when they are in trouble.( )
upset
weak
kind
Is that Mr. Zhou?
It be him. He has gone to Beijing.( )
may
can
can't