[ Grammar ]
They ___________ the bedroom before their parents come home.
A. doesn’t have to
B. must clean
C. have to cleans
D. must to clean

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Basic TensesMixed GrammarPast Simple and Past Continuous TensesPoetry VocabularyPresent Continuous for FutureSimple and Continuous Present TenseProgressive TensesGrammar: MorphologyModals and Adjectives (ed-ing)Adjective and AdverbOther quiz:
Reported Speech › View“How long have you been learning German?”
A. Karl said how long I had been learning German.
B. Karl wondered how long I had been learning German.
C. Karl told how long I had been learning German.
D. Karl wondered how long you had been learning German.
Grammar › View
Snakes………..for most of the day. (sleep)
A. sleep
B. sleeps
C. is sleeping
D. are sleeping