In the past, the leaves of coffee plants _____ helpful ...

[ 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:
Reflexive pronouns Noun Quantifiers was were Compound Sentences Grammar & Vocabulary Adverb of Frequency and Past Continuous Tense Simple vs Continuous Past Tense Countable & Uncountable Nouns Grammar Like & Linking Verb

Other quiz:

Vocabulary › View

The ___________ of the data was conducted carefully.

A. analysis

B. analyze

C. analyzed

D. analyzing

Grammar › View

A __________ IS AN DOING WORD.

A. NOUN

B. PRONOUN

C. VERB