[ Subject Verb Agreement ]
One group of researchers ___ studying about the source of Covid-19.
A. is
B. are
Random Topics:
Passive and Active VoiceConditional Sentences and Adverbs-ed or -ingGerund - to Infinitive DeterminersInfinitives and GerundsPronouns/ Present TenseCoherent Sentence with Correct Grammar StructureGrammar - Present Perfect with for and sinceRegular Plural NounsOther quiz:
Grammar and Vocabulary › ViewThe cake is no longer fresh anymore. It has now turned _____________.
A. old
B. stale
C. delicious
D. unhealthy
Prefixes Suffixes › View
The turtle walked _______ (in a slow way) to the ocean.
A. slowful
B. slowly
C. slowness
D. slowable
Conjunctions › ViewIdentify the conjunction in the sentence.
He can buy the book, or he can borrow it from the library.
A. can
B. or
C. the
Vocabulary › View
The opposite of motivate is
A. cure
B. discourage
C. cheer up