[ Modal Verbs ]
They _______apologize for their mistake.
A. have to
B. must
C. should

Random Topics:
Correlative ConjunctionAuxiliary Verbs, if, unless and ModalVocabulary & Phrasal VerbConnectives (because, due to, owing to, because of)Gerunds and TensesGrammar (was, were, could, could not)Past Simple vs Present SimpleToo or EnoughProgressive TenseTAG QuestionsOther quiz:
Reported Speech › View“I am happy”.
She told me that she ________ happy.
A. has been
B. is
C. was
Grammar › View
The mouse is _____________ behind the tree.
A. hide
B. hides
C. hiding
Grammar › ViewThe coward never ________ my admiration.
A. gain
B. gains
Grammar › View
People speak English all over the world .
A. English spoken by people.
B. English was spoken by people.
C. English was spoken all over the world.
D. English is spoken all over the world.
