[ Perfect Modals ]
He ________ been at the party; I haven’t seen him there.
A. should have
B. must have
C. can’t have
D. could have
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Tenses › ViewBy the end of the year, they ________ their new house.
A. will have bought
B. will be buying
C. had bought
D. are bought
Must Vs Have to › View
Choose the correct option.
A. I must go to the doctor I feel bad.
B. I have to go to the doctor I feel bad.
Present Simple › ViewHe ____ our teeth before bed.
A. brushing
B. brushed
C. brushes
D. brush
Prepositional Phrases › View
This information helps businesses become more aware … their activities and impacts.
A. by
B. of
C. with