[ Past Continuous Tense & Past Modals ]
I didn’t receive your email. You … sent it to the wrong address.
A. must have
B. can’t have

Random Topics:
Articles with SubstancesPhrasal Verb and ModalVerb Tenses and ModalsModal Verbs for Permission and ObligationDo not- Does notAdverbial Clause of Cause and EffectTypes of Sentence StructureModals VerbsAdjectives and VocabularyTenses, Determiners & Subject Verb AgreementOther quiz:
Ed and Ing Endings › ViewThe children are normally ………………….. when they eat vegetable.
A. disgusted
B. disgusting
Grammar › View
________vegetables since spring?
A. Are you growing
B. Have you been growing
