[ Grammar ]
Patty ____________been at the mall last night. She was out of town visiting her mother.
A. couldn’t have
B. must have
C. mustn’t have
D. could have
Select your answer:

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Modals - Conditionals - Future Tenses › ViewIf we meet at 9:30, we … (to have) plenty of time.
A. have
B. will have
C. would have
D. would have had
Conjunctions › View
I’ll give you my phone number … you need to contact me.
A. because
B. because of
C. in case
D. if
