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

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Phrasal Verb Put & GoDeterminersPast and Present TensesPresent Simple Positive and NegativePast simple regular verbsModifiersHomophone & HomonymIntermediate GrammarPerfect and Past TenseAdverbsOther quiz:
Parts of Speech › ViewMatch the underlined word to the correct part of speech.
‘The dragon woke up slowly.’
A. Noun
B. Pronoun
C. Adjective
D. Adverb
E. Interjection
Grammar › View
My birthday is __ Sunday so I can have a party.
A. in
B. on
C. at