[ Modal Verbs ]
They ____________ stay up late on school nights.
A. aren’t able to
B. mustn’t
C. should

Random Topics:
Past Simple and Past Continuous TensesAuxiliary WordsConjunctionPassive VoiceConditionalPresent, Past, and Future TimeSimple Present and Simple PastGerunds and InfitinitivesDemonstrative PronounsCoordinate ConjunctionOther quiz:
Prepositions of Location, Movement and Time › ViewFill in the blank with the appropriate preposition.
The train will leave at 15:30. Please arrive at the train station ____ time.
A. in
B. at
C. during
D. on
Grammar › View
Roberto played basketball all afternoon
A. Past Progressive
B. Past Simple
Modals › ViewDo you remember my birthday party last year? You _____ remember! It was the same day as your graduation.
A. can
B. could
C. must
Things in English › View
Indonesia is a big country.It … a lot of islands
A. does not have
B. do not have
C. have
D. has
