My sister ____two hours doing her homework every day. A. takes B. spends C. costs
—Is your friend quiet?—No, he never stops .
---Can you dance or sing?--- _____________. So I want to join the music club.
Liu Qian is famous ______ his amazing magic shows.
---Which floor do you live __________?---The first floor. I live _________ Room 112.
Doing sports is good for your health, _______ ?