[ Grammar ]
Choose the best word to complete the sentence.
The use of mobile phones has had a dramatic ____________ on the way we communicate.
_____
A. effect
B. affect
C. harm
D. harmful

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Grammar › ViewShe uses ……………….. to pluck and shape her eyebrows.
A. A tweezer
B. A tweezers
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I was ________ exhausted by the end of the day.
A. completely
B. very
C. extremely
D. incredibly