[ Modal Auxiliary Verb ]
You look tired. You ___ go to bed.
A. Should
B. Ought
C. Are to

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Demonstrative Pronouns and Verb Tenses › ViewWe ____ dinner at 7 p.m. every day.
A. eat
B. eating
C. eats
D. are eating
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He … taking a bath when you knocked on the door.
A. is
B. was
C. were
D. has