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

Random Topics:
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:
Grammar › ViewChoose the prepositions.
A. into
B. but
C. because
Tenses › View
She was drinking tea, when Bob ___.
A. come
B. was coming
C. came
D. comed
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
