[ Modal Verbs ]
He _______ be tired. He’s been studying all day.
A. must
B. can
C. should

Random Topics:
First ConditionalsGrammar - Capitalization and Possessive NounsModals VerbsDo / Have / Can - Basic QuestionsPresent Simple with Adverbs of FrequencyPerfect and Past TenseTypes of Sentence StructuresPresent/Past/Future Continuous TenseTenses and Passive VoicePossesive Pronouns and Modals of AbilityOther quiz:
Conjunction › ViewToday is Thursday, ______ the test is on Friday.
A. but
B. nor
C. or
D. and
Modals - Conditionals - Future Tenses › View
You _____ visit the doctor immediately as your symptoms are quite severe.
A. Could
B. Can
C. Must
D. Might