[ Have to ]
They __________ do their homework before dinner or they don’t get anything to eat.
A. has to
B. doesn’t have to
C. have to
D. don’t have to

Random Topics:
Correlative Conjunction & Complex SentencesGrammar and Sentence CorrectionGerund and InfinitivePresent Simple & ContinuesComparative AdjectivesAdverbs (manners & modifiers)AdverbsPrepositions of MovementShould and Shouldn'tCompound Nouns and Compound Adjectives QuestionsOther quiz:
If Clauses › ViewWhere would you go if you _____ a rich person?
A. was
B. is
C. are
D. were
Degrees of Comparison › View
The British weather is __________ (bad) the Portuguese weather.
A. Worse than
B. The worst
C. Better than
D. The best
I think Maths is __________________________________ subject.
A. more difficult
B. the most difficulties
C. the most difficult
Modal Verbs › View
You ………… hand in your essay on Thursday morning.
A. need
B. must
C. ought