-Welcome to Beijing!-_____A. Welcome to Beijing, too.B. Thank you.C. Fine, thank you.
Our teacher told us that light _____ much faster than sound.
In our class _____ of the students _____ girls.
—It seems _____ you like to work with children. —Yes, they are so lovely.
Compared with last year, our pay _____ about ¥500 every month.
China has the _____ population in the world.