
[ Modals for Obligation ]
Choose the best option:
Charlie _______ work on Sundays, but he often goes into the office.
A. don’t have to
B. has to
C. doesn’t have to
D. shouldn’t
Select your answer:

Pronoun Linking Verb Phenomenon(s) vs. PhenomenaModals of Obligation and PermissionSimple present/ past/ future tenseProverbsTOEFL GrammarPast PassiveObject Pronouns
Other quiz:
a, an, the, Zero Article › ViewDo you like ___ apples?
A. The
B. A
C. Zero article
D. An
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I’ve gained___knowledge from working at that company
A. a
B. the
C. –
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