As we all know, many Chinese words have come into English, ______ typhoon, tofu and kung fu.

Today is Teachers’ Day. We have a gift _____ our teacher. [ ]

_____ we plant, ______ our city will be .

Hurry up, Mike. You must get to the airport an hour before the plane________.

Betty, do you know if Tony ______ the photo competition?—He will, if he ______ his project on Australia.