. She’s been studying all night. She ______ be tired.
A. must
B. might
C. can’t
D. shouldn’t

Random Topics:
Pronoun & Present SimpleAsking & Giving OpinionPast Simple, Present Perfect TenseVerbs + Gerund or InfinitiveGerund vs InfinitiveVocabulary and Sentence StructureDeterminersSimple and Compound SentencesStative Verbs and TensesModals, Phrasal Verbs, Gerunds and InfinitivesOther quiz:
Grammar › ViewChoose the correct inversion of this sentence:
If I had known the store was closed, I wouldn’t have come to the mall.
A. If had I known the store was close,
B. Had I known the store was closed,
C. I had known the store was closed,
Grammar › View
A : I’m considering __________ a new hobby.
B : What are you going to do?
A. taking up
B. taking place
C. taking part in
Future Tenses › ViewBy this summer, she ______ the piano for 20 years. (actions in progress up to specified time in the future)
A. will have been playing
B. will have played
C. will be playing
Modal Perfect › View
Tom didn’t do his homework, so the teacher became very angry. He _____ his homework
A. must have done
B. might have
C. should have done
D. will have done
