[ 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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Conjunctions › ViewSome high ranking members have spoken out in favor reforms, ———– others remain more conservative.
A. Whereas
B. Still
C. Contrary to
D. Because
E. Despite
must/should › View
We … our homework from the internet.
A. shouldn’t copy
B. mustn’t copy