–I don’t know this English word(单词).----Well,here is a ______ and it can help you.
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.