[ Past Modals ]
When there is a possibility that something did not happen, you use …
A. could not have
B. might not have
C. must not have
D. should not have

Random Topics:
There is or There arePresent Simple and Present ContinuousSubjective and Objective PronounModals of PredictionNoun Verb AgreementModals for Deductionduring, for, whilePerfect Tenses and VocabularyVOCAB & GRAMMARPast and Future TensesOther quiz:
Article › ViewWhich article should be used before the word ‘elephant’ in this sentence: ‘I saw ___ elephant at the zoo.’
A. some
B. a
C. an
D. the
Modal Verbs and Gender Nouns › View
We ___ see the stars because it was cloudy.
A. could
B. couldn’t
C. was
D. were
Vocabulary › ViewTo lie to someone.
A. Launch
B. Trick
C. Influence
D. Research
Vocabulary › View
What vocabulary word BEST completes the following sentence:
The _________ of a timeline is to show all the events of a person or event in order.
A. purpose
B. claim
C. differ
D. organize
