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ngochuyen2728
2 năm trước
Cân bằng phương trình Ba(OH)2 + H3PO4 -> Ba3(PO4)2 + H2O
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I, Choose the best answer to complete these following sentences. 1, Jason _____ on airplanes. His father is a pilot. A. used to fly B. uses to fly C. is used to flying D. used to flying 2, Michael ______ care of himself. He left home when he was 15 and has been on his own ever since. A. used to take B. be used to taking C. used to taking D. is used to taking 3, I _____ the piano quite well when I was younger. A. am used to play B. used to play C. am used to playing D. used to playing 4, I ______ on busy highways in big cities. I've been doing it ever since I learned how to drive. A. am used to driving B. used to drive C. am used to drive D. used to driving 5, My feet are killing me _____ for long periods of time. A. don't use to stand B. am not used to standing C. didn't used to stand D. am not used to stand II, Rewrite the sentences begining with " I wish " . 1. Ann isn't here and I need to see her. => 2. Don't shout all the time. It's so annoying. =>

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