[ Vocabulary ]
impair-
A. to make imperfect, damage, harm
B. not able to be defeated, unbeatable
C. drooping; without energy, sluggish
D. to get stuck; mud; wet, swampy ground; a tough situation

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Modals › ViewYou…… Improve your spelling.
A. Must
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There aren’t ______________ cups in the cabinets.
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