I have aunts, and my aunt works in Nanjing.
There is a cat _______ a dog.A. chase B. chased C. chasing
Mike, do you know which CDs belong to _______?A. my B. ours C. us
It’s reported that a tiger escaped _______ the zoo yesterday.A. in B. on C. from
The work is so difficult that I don’t know _______ to do it.A. what B. how C. where
If I _______ you, I would stop looking for it.A. am B. being C. were