4000 CPE (E F) - Spelling Practices

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(1) v. chùi rub or wipe out; make indistinct as if by rubbing

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(2) n. hiệu quả power to produce desired effect

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(3) n. tầng lớp a group or class of persons enjoying the superior intellectual or social, or economic status

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(4) n. phôi completely undeveloped form; an animal organism in the early stages of growth

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(5) n. viêm não inflammation of the brain, usually caused by a virus

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(6) v. cố gắng try to do something by employing effort

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(7) v. khắc carve or cut into a block or surface, as used for printing; impress deeply as if by carving

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(8) n. doanh nghiệp company; firm; organization created for business ventures

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(9) v. dựng construct; stand; set up

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(10) v. tránh avoid; refuse to use or participate in; stand aloof from