[ Modals with Perfect Infinitive ]
I don’t know where they went but they ___ have gone to Paris or Marseille.
A. must
B. should
C. might
D. need to

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Grammar › ViewWhat is the function of a subject?
A. A subject is a word that puts stalled objects into motion.
B. A subject is a word that indicates location.
C. A subject is the “who” or “what” that does the verb.
D. A subject can be identified by finding the subject and verb first.
Homonyms › View
The wedding cake had five ___.
a. tears
b. tiers
I ___ work in a bank, but now I’m working as a manager.
A. used to
B. got used to
C. was used to
Modal Verbs › View
He __________ solve complex equations at a young age.
A. can
B. will
C. should
D. would
