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haiyen02
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(xy^2+4x^2y^3-3x^3y^3):(-2xy^2) (-3x^2y^3+4x^3y^4-y^4y^5):(-x^2y^3) [2(x-y)^3-7(y-x)^2-(y-x)]:(x-y) [3(x-y)^5-2(x-y)^4+3(x-y)^2]:[5(x-y)^2]
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I. COMPLETE THESE SENTENCES WITH A SUITABLE RELATIVE PRONOUN OR ADVERB 1. That is the man …………………helped me when I fell down in the street. 2. Is that your car? No, mine is the one …………………….is parked just opposite the bank. 3. That is the woman ………………….complained about the room service. 4. This is the park ……………………we first met. Do you remember? 5. So, James is the man ………………….son came on the school trip with us? I din't know. 6. If you have any question, ask the girl …………………is standing at the desk. She'll help you. 7. They had to put away the dog …………………….bit the boy. It was too dangerous. 8. I'm looking for a person ……………………….surname begins with a "k". 9. Do you still go to that pub ………………………………we used to go as students?

Bài 2. Chia động từ trong ngoặc đúng để hoàn thành đoạn văn sau (thì hiện tại đơn hoặc hiện tại tiếp diễn) Dear Editor! I ______ (write) this letter because it ______ (seem) to me that far too many changes _______ (take) place in my country these days, and, as a result, we _______ (lose) our identity. I ________ (live) in a small town but even this town _______ (change) before my eyes. For example, town authorities _______ (build) a burger place where my favourite restaurant used to be. Our culture ________ (belong) to everybody, and I ______ (not understand) why the town leaders ______ (not do) to preserve it. They simply ______ (not care). In fact, I ______ (think) of starting an action group. I _______ (appear) on a TV show on Friday evening to make people aware of how important this issue is. It’s time for us to start doing something before it _______ (get) too late.

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