[ Grammar ]
According to current research, excessive smartphone usage ___________________ associated with poorer sleep quality and has affected many people.
A. has become
B. will become
C. becomes
D. became
Select your answer:

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Simple Past/Past Progressive › ViewWhen I was texting and walking, I __________ into a tree!
A. were walking
B. was walked
C. walked
D. was walking
Grammar › View
What do adjectival clauses contribute to sentences?
A. Length, complexity, and redundancy
B. Simplicity, vagueness, and ambiguity
C. Depth, specificity, and clarity
D. Repetition, ambiguity, and confusion
