[ Modal Verbs of Possibility ]
That man is wearing a police uniform. He ___ be a police officer.
A. must
B. might
C. can’t
D. could not

Random Topics:
First Conditional & Future TensesSocial Media VocabularySimple and Compound SentencesWish / If only ( Present)Causative VerbPast and Perfect TensesPresent Progressive (Future)Definite ArticlesEd and Ing EndingsComparative and SuperlativesOther quiz:
Modal Verbs › ViewMy back has been hurting for weeks. I__________go to the doctor’s.
A. don’t have to
B. have to
C. mustn’t
D. must
Grammar › View
I’m doing my project tonight, so I _____ go out with you.
A. can’t
B. am not
C. can not
D. don’t
Future Tenses › ViewI _____ you after the class is over. Is that ok?
A. will meet
B. am going to meet
C. am meeting
D. meet
Simple Present and Present Continuous Tenses › View
It ______ a good habit to drink milk before going to bed
A. is
B. was
C. are
D. were
