[ Vocabulary ]
Much _________ needs to be carried out to explore the possible mutations and complications of the COVID-19 Virus.
A. mutation
B. application
C. technology
D. research
Select your answer:
Random Topics:
Expressing WishesIf vs. Unless Verb Phrase Narrative Tenses & ConditionalsState Verbs and Action VerbsVocab and GrammarPresent Perfect Negative and InterrogativeApologizingModal Auxiliaries
Other quiz:
Grammar › ViewMary has helped me ______ 2 hours and she is hungry now
A. since
B. meanwhile
C. for
D. about
Grammar › View
Give one word for saved from destruction and harm?
A. Salvaged
B. Pity
C. Strewn
How to use : Read the question carefully, then select one of the answers button.