New York is one of ____ in the world.A. the large city B. the largest cities. C.the largest city
I don’t know if Mr Green ________. If he ______, I will let you know.
—You seem to like sweets. —_______. That’s probably why I’m becoming fatter and fatter.
Do you know where ______ from?
It’s difficult _____ your sound because the noise is too high.
We don’t know If it _____. If it_____, we won’t go out for a walk.