---What does Tom’s uncle do? ---He is a teacher. He __________ physics at a school now.
I want to buy a pet like a___________ /sneik/ for him.
--- May I go swimming now? --- No, you ______. You must finish your homework first.
_____ middle school students allowed to use mobile phone at school ?
Great changes _____ in my hometown since 1980.
About of the students in our class come from the countryside.