[ Modal Verbs ]
You ___ forget to wish your friend a happy birthday.
A. can
B. could
C. mustn’t
D. should

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Progessive TensesPast Continuous TenseVocabullary TestWestern Europe CountriesGerunds as objects of prepositionPast simple vs Present perfectGender and GrammarVerbsThe First Conditional SentenceConjunctions and PronounsOther quiz:
Grammar › ViewMason and _____ are the tallest students in the class.
A. I
B. me
Past Tenses › View
If I ……… you were ill, I would have visited you and brought you flowers.
A. had known
B. knew
C. had know
D. had knew