[ Modal Auxiliaries and Similar Expressions ]
Which sentence correctly expresses a regret about the past?
A. You should have saved your work before the power outage.
B. You must have saved your work before the power outage.
C. You can have saved your work before the power outage.
D. You shall have saved your work before the power outage.

Random Topics:
Conditional Sentences and AdverbsTag QuestionVerbal and Appositive PhrasesRelative PronounsModal Verbs - ObligationModal Verbs and PermissionPast Simple (to be)Prepositional PhraseVerb 3 formsGrammar- Later/LatterOther quiz:
Verb To Be › ViewChoose the correct option.
A. You are from Mexico.
B. You are from Mexican.
Grammar › View
My mother is ____in the kitchen.
A. cook
B. cooking
C. cooks
D. cooked