[ Grammar ]
You —- down to about 30 kilometers an hour when you are driving through a school zone between dawn and dusk.
A. should have slowed
B. had to slow
C. must slow
D. may have slowed

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There is, There are, Some, AnyPrepositions and ConjunctionsModals of Obligation & ProhibitionGrammar - much, many, a lot ofTOEFL-ing &-ed AdjectivesFuture Perfect ContinuousAdverbial Clause of ConcessionGerund Subject or ObjectAdjectives and VocabularyOther quiz:
Vocabulary and Grammar › ViewSally doesn’t have much time for sports; she’s always busy __________ her studies.
A. for
B. at
C. about
D. with
Modal "Have to" › View
My bestfriend isn’t good at Maths so she ______ work harder. She’s really good at Language and History.
A. have to
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A. cheaper
B. cheapest
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Grammar › View
The examiner asked ____ us a question in turn.
A. each of
B. each
C. every of