[ Modal Verbs of Certainty and Possibility ]
That _____ his dog because I saw him taking it for a walk.
A. can’t be
B. must be

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Verbs and AdverbsProgressive TenseSpeculation with Modal VerbsWould/would like - affirmative/negativeConditional Sentence Type 2Narrative Tenses & ConditionalsArticlesVerbs, Tenses, and VocabularyTenses of Verbs - UsageGrammar of Conjunctions and PrepotitionsOther quiz:
Grammar › ViewThe bike _____ I have just bought is every cheap.
A. which
B. where
C. what
D. who
Simple Past › View
Last night we _______(walk) to the cinema.
A. walk
B. walks
C. walking
D. walked
