[ Grammar ]
Teacher: Is that Mai? Student: ________
A. Yes, it is.
B. No, it isn’t.
C. A hoặc B đúng tùy tình huống
D. Yes, they are

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Verb Forms and TensesQuantifiers / Prepositions of Time and Comparative AdjectivesSubordinating Conjunctions and ClausesConjunctions, Interjections and Sentence TypeRelative & Interrogative PronounsDeterminers & QuantifiersTensesGender and GrammarContractions and ConjunctionsModals, Conditionals, and Clauses- Defining, Non-definingOther quiz:
Present Tenses › ViewExperts claim that global supply chains ___ to recover fully since the pandemic disruptions began.
A. fail
B. have failed
C. are failing
Prepositions › View
Wait here ___ I come back.
a. until
b. since
c. for
It is quite _____outside. You had better put on your sweater.
A. humid
B. sunny
C. warm
D. cold
Grammar and Passive Voice › View
Choose the correct passive voice form of “They are teaching the children to swim.”
A. The children are taught to swim by them.
B. The children are being taught to swim by them.
C. The children have been taught to swim by them.
D. The children were taught to swim by them.
