[ Synonyms and Vocabulary ]
The study aims to _______ the relationship between exercise and mental health.
What is the best word to complete the sentence?
A. maximize
B. investigate
C. decline
D. maintain

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Verb Types and TensesAdjectives, ING - EDInversion + Passive VoiceThird Grade ExamUse of Prepositions or ConjunctionsGrammar - FutureBe used to vs used toFuture Tenses and ModalsModals and Modal PerfectsSentence Structure and Verb TensesOther quiz:
TOEFL Grammar › ViewWe have only another five minutes. I think we _____.
A. hurry
B. be hurry
C. to hurry
D. should hurry
Grammar › View
Yesterday after school, Mr. Manning _________ while he was at dance practice.
A. falled
B. felled
C. fell
Grammar › ViewKenzie and Max said ____________ very good at English.
A. there
B. their
C. they’re
Grammar : Must (Necessity) › View
I have a credit card. I ___ pay with cash.
A. must
B. mustn’t
C. don’t have to
