[ Grammar ]
In the past, the leaves of coffee plants _____ helpful in improving one’s health.
A. were thought to be
B. were thought as
C. are thought to be
D. are thought as

Random Topics:
Grammar - Present Perfect with for and sinceAdverb Of PlaceModal Verbs of Certainty and PossibilitySuperlative & Comparative AdverbsSubject and Verbs AgreementFuture Tense VerbVerbs & Verb TensesPassive SentenceModals TensesConjunctionsOther quiz:
Grammar › ViewMarie added too ____ flour into the cake batter.
A. few
B. much
C. many
D. some
Adjective › View

Is she young ?
A. No, she isn’t
B. Yes, she is.
Active vs. Passive Voice › View Which quotation used ellipses in a correct way?
I should not have said that.
A. ..I’m sorry.
B. I should not have said that …I’m sorry.
Idiom and Tenses › View
Determine the tense of the sentence: ‘They have been studying for hours.’
A. Present Perfect Continuous Tense
B. Past Simple Tense
C. Future Simple Tense
D. Present Continuous Tense
