[ Modals of Deduction ]
They are more than an hour late. They ______ gotten lost.
A. must have
B. could have
C. can´t have

Random Topics:
Adverbial Clause of Cause and EffectFuture TensePassive and Active SentencesConditionalsPresent Tense vs Past Tense1st & 2nd ConditionalsAdverb of MannerPresent/Future/Past Simple/Present PerfectCardiology ServicesVocab CheckingOther quiz:
Passive Sentence › ViewMy mother is going …………………….. this house.
A. A. sold
B. B. sell
C. C. to be sold
D. D. to sell
Vocabulary and Grammar › View
Nam has a bike. He often ___________ his bike to school.
A. is
B. goes
C. rides
D. makes
Conjunctions › ViewShe works hard ___ earn enough money for her family.
A. in order to
B. so that
C. because
D. so
Adjective and Adverb › View
Martha is a …. student
A. lazily
B. lazy
