[ 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 › Viewthe spread between the lowest and the highest notes that a person can speak comfortably
A. rover
B. ranger
C. range
D. roper
Modal Verbs › View
There are some black clouds in the sky. It ___________ rain this evening.
A. ought to
B. may
C. must
Grammar › ViewShe uses ……………….. to pluck and shape her eyebrows.
A. A tweezer
B. A tweezers
C. Tweezers
Grammar › View
I was ________ exhausted by the end of the day.
A. completely
B. very
C. extremely
D. incredibly