[ 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

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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:
Preposition › ViewI will think —– the matter.
A. For
B. on
C. at
D. About
Articles › View
This morning I met……….old friend
A. An
B. A
C. The
D. None of these
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