---- What ____ your teacher ____ now ?--- He is cleaning his office .
A. are; doing B. is doing C. are do
Listen ! Your mother is talking with your aunt _______ the phone.
A. on B. in C. at
--- Do you like the show, Amy ?--- No, I think they are _____ boring .
A. kinds of B. a kind of C. kind of
He likes dogs, but she likes cats ______.
A. lot B, a lot of C. a lot
—Are they in the ______? —Yes. They are eating lunch there.
A.dining hall B. music room C. library
--- Your hat is very ________. You must keep it clean.
--- OK. I will clean it .
A. dirty B. noisy C. quiet
