[ Modals and Adjectives (ed-ing) ]
He _____ have forgotten about our meeting, I haven’t seen him all day.
A. Might
B. Can
C. Must
D. Be able

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Article the or zero article (-)Subordinate ConjunctionsPreposition after some VerbsUnderstanding Product Packaging and TensesPast SimplePast PerfectAdjective Clause and Adverb ClauseVerbs with Prepositions and ConjunctionsComparison of Adjective and AdverbPast Tense (Regular and Irregular)Other quiz:
Grammar › View_____ he need any help with his homework?
A. Do
B. Does
C. Don’t
D. Doesn’t
Grammar and Vocabulary › View
__________ she work in the center of London?
A. Is
B. Has
C. Does