[ Modal Verbs ]
Which sound slightly less formal?
A. You ought to see a doctor.
B. You should see a doctor.

Random Topics:
Mix-TensesPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousModals and ConditionalsDemonstrative Pronouns and Verb TensesComparatives and ConjunctionsProverbsGrammar - Be going toModal PerfectVerb-ing and InfinitiveAdverbial Clauses of Manner and ResultOther quiz:
Grammar › ViewChoose the correct alternative.
Plastic is recycled by a lot of people in our town.
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A. Passive voice
B. Active voice
Vocabulary › View
Good fortune; success.
A. Redemptive
B. Rich Rich
C. Hallowed
D. Prosperity