[ Grammar ]
What are you doing? Don’t you know that you _______ write on the desks?
A. don’t have to
B. mustn’t
C. needn’t

Random Topics:
Modals TensesPossessive Adjectives VS Possessive PronounsFuture TensesParts of Speech and Compound SentencesPresent ProgressiveConjunctions - ConnectorsGender and GrammarTenses and Time MarkersDependent ClausesWould/would like - affirmative/negativeOther quiz:
Past Tense › ViewThey _______ (try) to buy a house years ago
A. had trying
B. were trying
C. had been trying
D. had were trying
Some vs. Any › View
It’s hot in the office. I’m going out for … … fresh air.
a. some
b. any
Grammar › ViewWhen ________ the class?
A. are
B. is
C. do
D. does
Grammar › View
Which of the following words always needs to be capitalized.
A. uncle
B. september
C. south
D. music
