[ Modal Verbs ]
That’s impossible, he … about her sweetie’s birthday. He’s such a thoughtful person.
A. mustn’t have forgotten
B. can’t have forgotten
C. needn’t have forgotten
Select your answer:

Random Topics:
Irregular Plural NounsPast Simple (Questions)Adverbs of TimeConjunctive Adverbs and PunctuationTenses and StructuresTenses (Present, Past, Future Forms)Synonym and AntonymPrepositions of Place & TimeGerunds, Infinitives and Modals of PossibilitySuffixes and TensesOther quiz:
Grammar › ViewThe concert was amazing
A. command
B. statement
C. question
D. exclamation
Grammar › View
My mom ________ your mom at school! They were friends!
A. know
B. knews
C. knew
D. didn´t knew
