[ Modal Verbs ]
. He ___ not speak Japanese fluently; he’s still learning.
A. can
B. couldn’t
C. isn’t able to
D. must

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Grammar: Defining Relative ClausesAdverb or AdjectiveSimple Present and Present ContinuousVerb Tenses (Progressive, Perfect)Present Progressive or Present SimpleAction, Helping & Linking VerbsRelative Pronouns and AdverbsMust / must notState Verbs and Action VerbsNoun / PronounOther quiz:
Grammar (was, were, could, could not) › ViewPeter__________play tennis last Monday: he had broken his arm!
A. could
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Animals often _______ body language to talk to one another.
A. use
B. used
C. have used