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
Random Topics:
Grammar MistakesSimple and Continuous TensesFirst & Second ConditionalParticipal PhrasesSentence Structure and ConjunctionsPresent simple or Past simpleAdverb & Compound SentencesGrammar - ConnectorsSubject and Verbs AgreementPreposition and ConjunctionOther quiz:
Vocabulary › Viewgreat and often wild or uncontrolled activity
A. Caustic
B. Sagacity
C. Frenzy
D. Vague
Vocabulary and Grammar › View
Our school football team ………….. the match with Nguyen Du school last Saturday
A. wins
B. won
C. scores
D. scored
Grammar › ViewI’m busy now, I …………. a letter to my girlfriend.
A. don’t write
B. am writing
C. write
D. writes
Verbal and Appositive Phrases › View
What is the appositive phrase in the following:
In It’s a Wonderful Life, one of the most popular movies ever made, a character named Clarence wants to get his wings.
A. , one of the most popular movies ever made,
B. , a character named Clarence wants to get his wings.
C. In It’s a Wonderful Life, one of the most popular movies ever made,
D. In It’s a Wonderful Life,