Group (E F) - Spelling Practices

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(1) a. Syn. eatable(ăn) eatable; substance that can be used as food
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(2) a. Syn. effective(hiệu quả) effective; acting directly to produce an effect; exhibiting a high ratio of output to input
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(3) v. Syn. approve; support(chứng thực) acknowledge by signing a bill, draft, or other instrument; approve; support
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(4) n. (errand) short trip taken to perform a specified task; mission; embassy
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(5) a. Syn. necessary; critical; vital; indispensable; fundamental(cần thiết) necessary; critical; vital; constituting or being part of the essence of something
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(6) a. (đời) continuing forever or indefinitely
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(7) n. Syn. substitute(Trao đổi) substitute; trade in; give in return for something received
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(8) v. Syn. display; show(triển lãm) show, make visible or apparent
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(9) v. Syn. stimulate(hoạt động lại) cause to feel happily refreshed and energetic; fill with emotion
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(10) a. Syn. excellent; flawless(tinh tế) excellent; flawless; acutely perceptive or discriminating