[ Modals and Responsibilities ]
I ___ finish my homework before dinner.
A. must
B. need to
C. have to
D. responsible for
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Grammar › View__________ animal
A. a
B. an
-ing / Infinitive › View
I should study instead of … TV
A. to watch
B. watching
C. watch
Grammar › ViewAlex _____ speak Portuguese fluently after living in Lisbon for ten years.
A. can
B. is able to
C. both are possible
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Choose the subject that agrees with the verb in the following sentence.________ of the customers have complained about poor service.
A. One
B. Neither
C. Each
D. Some