[ Modal Verbs ]
You look very tired this morning. You _______ up late last night.
A. shouldn’t have stayed
B. mustn’t stay
C. couldn’t have stayed
D. can’t stay

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Past Simple and Past Continuous TensesFuture PlansHow many / How much - Is there / Are therePresent Perfect Simple and ContinuousPrepositionsReported Speech and Reporting VerbsParts of Speech and GrammarAdjectives & QuantifiersHope, Thank, Modal VerbsLinking Verbs and TensesOther quiz:
Tenses › ViewThe biology professor ____ a lecture on genetics every Monday.
A. gives
B. gave
C. is giving
D. will give
Grammar › View
… are ten students in my class.
A. Their
B. There
C. These
D. Them