Mom, this is my teacher, Miss Lin. Miss Lin, ____A. thank you. B. how are you? C. this is my mom.
I usually talk to my friends because I want to be /pə'lait/.
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.