[ Modal Verbs ]
I wonder who drank all the milk yesterday. It _____ have been Mary because she was out all day.
A. can’t
B. must
C. could
D. needn’t

Random Topics:
Grammar - Sentence StructurePassive Voice with Modal VerbsQuantifiers with NounsMixed TensesHave to / Do not have toPhrasal Verbs with up and downAdjective ClauseModals - Conditionals - Future TensesCountable & Uncountable NounsFuture Tenses, Conditionals and ProfessionsOther quiz:
Gerunds and Tenses › View. Which sentence is in the present continuous?
A. She is cooking dinner right now.
B. She cooks dinner right now.
C. She cooking dinner right now.
D. She was cooking dinner right now.
Comparison › View
John is ………….. stronger than I thought.
A. much
B. more
C. as
D. the same
Grammar › ViewI feel terrible. I think I __________ to be sick.
A. will
B. go
C. am going
D. will be going
Subject Verb Agreement › View
Select the appropriate verb: Neither of the boys ______ finished their homework yet.
A. is
B. was
C. has
D. have
