[ Modal Verbs ]
Ken isn’t here. He ……… have gone for a walk.
A. must
B. can
C. ought

Random Topics:
Speculation with Modal VerbsSimple Past Tense and Present Continuous TenseAuxiliaries VerbModal ProbabilityGrammar: Have toPresent Perfect vs Past Simple TenseDemonstrative SpeechTensesModal Verbs of Certainty and PossibilityPast and Present TensesOther quiz:
Grammar › ViewShe has a fever
A. She should wear a plaster
B. She should take some medicine
C. He should call a doctor
D. He should drink tea with honey
Second Conditional › View
If I ________ you , I ______ that.
A. Were/ wouldn’t do
B. Was/ do
C. Will / Doing
D. Were / did