[ Past Continuous Tense & Past Modals ]
I can’t believe Jim hasn’t arrived yet. He … taken the wrong train.
A. must have
B. might have

Random Topics:
Future Continuous TenseModals, Infinitives and GerundsAction vs Linking Verbs/ Verb PhrasesGrammar & VocabularyVocabullary TestPresent Tense vs Present ContinuousModals: Possibility, Necessity, ExpectationModals and Past ModalsTenses, Tag Questions, Phrasal VerbsTenses - AuxiliariesOther quiz:
First Conditional › ViewChoose the correct option.
A. Richard is going if he has time.
B. Richard is going to go if he has time.
Grammar › View
It´s helpful _________ feedback to your students.
A. To lie
B. To give
C. To tell