[ 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:
Homonyms › ViewFor better texture you must ___ the dough longer.
a. knead
b. kneed
c. need
Present Simple › View
We ____ to the park on Sundays.
A. goes
B. going
C. go
D. gone
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
