[ Modal Verbs ]
This is not possible. You ______________ be serious!
A. might not
B. mustn’t
C. can’t

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Prepositions of TimePresent Simple vs Past SimpleAdverbs by TypeFirst Conditional SentenceFamily Members and Present SimpleFuture Perfect vs Future ContinuousInterrogative Pronouns & AdverbsSentence Fragments and Complete SentencesModal Verbs and Contrastive ConjunctionsClause Markers TOEFL GrammarOther quiz:
Prepositions › ViewYou have to leave your shoes ______________the door when you enter the house.
A. In
B. Over
C. To
D. By
Grammar › View
I will have anything to eat _____ for tomatoes!
A. accept
B. except
Linking Verbs and Tenses › ViewWhat is the simple present tense of the verb ‘to run’ for plural subjects?
A. ran
B. runed
C. running
D. run
Grammar › View
Ms. Okoro extensively researched different models of products before deciding _____ one to purchase for the assembly line.
(A) how
(B) whom
(C) which
(D) whether
