[ 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

Random Topics:
Conjunctions & PrepositionsConditional Sentences Type 0, 1 and 2Reported Speech and Reporting VerbsPast Tense vs Present TenseArticles and PrepositionsGrammar - ConnectorsSubject and Verb AgreementArticles - rulesWh- Questions Present Simple TenseTransitional WordsOther quiz:
Grammar › ViewWhich sentence uses ‘some’ correctly?
A. I don’t have some money.
B. I have some apples.
C. I need some apples to eat all day.
D. Can you give me some of those?
Grammar › View
We can_____badminton in the park.
A. plays
B. played
C. play
D. playing
Coordinating Conjunctions › ViewShe has a lot of experience, _____ she is not very confident in her abilities.
A. or
B. but
C. and
D. yet
Tenses › View
My cat ________ (not to enjoy) fish
A. doesn’t enjoys
B. doesn’t enjoy
C. doesn’t to enjoy
