Jack _______ school two years ago and he______ for two years.A. left, has goneB. left, has been awayC. leaves, has been away
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.