[ Past Modals ]
That couple _____________ (think) much of the show. They lest after only 20 minutes!
A. must have thought
B. can’t think
C. couldn’t have thought
D. couldn’t has thought

Random Topics:
Present Tenses and VocabularyPresent and Past Simple PassivePassive of Modal VerbsRelative Clauses and etcTransitive and Intransitive VerbTransportation VocabularyIndependent ClausesTOEIC Tenses, Verbsduring, for, whileFuture Tenses, Conditionals and ProfessionsOther quiz:
Grammar › ViewSelect the correct form of the verb in the sentence: ‘I ________ my homework yesterday.’
A. do
B. did
C. done
D. does
Tenses › View
Which tense indicates actions or events that happened before a specific point in the past?
A. Past Perfect
B. Present Perfect
C. Past Simple
D. Past Continuous
Prepositions › ViewI was erroneously credited _________a lot of money.
A. With
B. In
C. Of
D. On
Sentence Structure › View
Although he finished his homework.
A. Complete
B. Fragment
C. Run-on
