[ Perfect Modals ]
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

Random Topics:
Quantifiers, Countable and Uncountable NounsGrammar & TensesPreposition and Word FormConditionals and WishesAdjective & AdverbAction, Helping & Linking VerbsSimple Verb TensesSuch...that, so ......thatGrammar - Verb FormsPhrase and ClauseOther quiz:
Grammar › View Choose the perfect form of the underlined verb!
Anju thought the cake looked dreadful, but she ate it anyhow.
A. thought
B. had thought
C. was thinking
Preposition › View
His choice of future career is quite similar________mine.
A. at
B. with
C. for
D. to
Modal Verbs › ViewThey ____ be late if they don’t leave soon.
A. could
B. will
C. may
Vocabulary and Grammar › View
If you _______ an unhealthy lifestyle, you may not have much energy.
A. have
B. be
C. have