[ 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
Select your answer:

Random Topics:
Regular Plural NounsSentence or Sentence FragmentPronoun-Verb AgreementAdverbs of Manner, Likes and PreferencesArticlesIn/On/At + TimeOffer and SuggestionTemporal Conjunctions and ConnectivesUsed to - Would - TensesPhrasal Verbs with up and downOther quiz:
Preference & Future Tense › View_________ at University in the future?
A. You will study
B. Will you study
C. Is you going to study
D. Are you going to study
Simple Present VS Present Continuous › View
Johanna and Mike sometimes _____________________.
A. are mopping the floor.
B. mops the floor
C. mop the floor
D. is mopping the floor
