They _______ have been at the concert. I didn’t see them there.
A. mustn’t
B. can’t
C. shouldn’t

Random Topics:
Demonstrative PronounComparisonsPassive SentenceAsking and Giving SuggestionGrammar - Present and Past PassiveShould, Should not haveFigurative Language VocabularyModal Verbs & Time PrepositionsHave as verb and auxiliaryPast Tense & Past Continuous TenseOther quiz:
Relative Clause › ViewLook at that car. My uncle wants one.
A. Look. That´s the car that my uncle wants.
B. Look. That´s the car whom my uncle wants.
C. Look. That´s the car whose my uncle wants.
D. Look. Tha’s the car that my uncle wants one.
Vocabulary › View
The number of new students ……………… from 210 to 160 this year.
A. decreased
B. increased
C. adapted
Grammar › View. What is a common mistake when using prepositions?
A. Using the correct preposition consistently
B. Using the wrong preposition, which can change the meaning of the sentence.
C. Avoiding prepositions altogether
D. Using prepositions only at the end of sentences.
Grammar › View
The elephant lifted the log with ____ trunk.
A. his
B. her
C. its
D. it’s
