[ Modal Verbs ]
No one knows exactly who were the first Americans, but scientists exploring caves have found evidence that they _____ from Asia.
A. should have arrived
B. would have arrived
C. must have arrived
D. ought to have arrived
E. have arrived
Select your answer:
Random Topics:
PunctuationModals VerbsToeic VerbPresent Simple TenseAdverbial Clause of Cause and EffectCan vs be able toGrammar Pronoun and Singular Plural NounConditional Sentences Type 0, 1 and 2Will and Going toOther quiz:
Simple Tenses › ViewWill Jyothi give her sister a gift on her birthday?
A. Simple Present Tense
B. Simple Past Tense
C. Simple Future Tense
Past Tense › View
I ___ the party but Chris wanted to go home
A. enjoyed
B. was enjoying
C. enjoy
D. had enjoyed