-Peter, did you hear any noise?-Sorry, I ________ newspapers.
— _______ does your brother go shopping?— Sometimes.
______ can help us learn ______ about the world.
There is a teacher’s desk _______ of the classroom. Mr. Liu is standing _______ of it.
_______ takes her about ten minutes ________ to school by bike every day.
The buildings _______ your school _______ modern.