Excuse me, would you mind your voice down, please?
A. to keep B. keeping C. keep D. kept
Please the water when you brush your teeth.
A. turn down B. turn off
C. turn on D. turn up
Gian Tara is studying Chinese history
and culture now. They find them rich and amazing.
A. Both; and B. Not only; but also
C. Either; or D. Neither; nor
Before stamps, people didn't for the letters they sent,but for the letters they received.
A. pay B. cost C. spend D. take
－It's important for us to know _________ all the subjects.
－Yeah, group work is my favorite.
A. how to study B. when to study
C. which to study D. what to study
We have never visited the museum, but we have it.
A. stood for B. belonged to
C. heard about D. kept on
