[ Modals ]
Since they aren’t answering the phone, they _____.
A. need have left
B. can’t have left
C. must have left
D. should have left
Select your answer:
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Quantifiers & Modals of Obligation › ViewYou _ _ _ _ _ do something to solve this problem.
A. have to
B. ‘ve to
C. must
Conditional Sentences › View
_______ as much money as Bill Gates of Microsoft, I would retire
A. Were I to have
B. If did I have
C. Unless I had
D. If I hadn’t had