Robert _____ speak Chinese until he was 40. A. can ...

[ Grammar ]

Robert _____ speak Chinese until he was 40.
A. can
B. can’t
C. could
D. couldn’t

Select your answer:
A B C D E

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Phrasal Verb Put & Go Determiners Past and Present Tenses Present Simple Positive and Negative Past simple regular verbs Modifiers Homophone & Homonym Intermediate Grammar Perfect and Past Tense Adverbs

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