[ Can vs Could ]
Grandpa ______ swim for hours in the lake when he was young. Now he gets tired easily.
A. can
B. can’t
C. could
D. couldn’t

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Continuous and Perfect TensesCommunicative GrammarTenses and Verb FormsPhrasal VerbWish, Unless, If sentenceGrammar - Countable/ UncountableVerb Present Simple TenseTransitive and Intransitive VerbVerbs - third personPossessive Pronouns and Adjective PronounsOther quiz:
Subordinating Conjunction › ViewYou can’t leave the house ___ you finish your homework.
A. if
B. while
C. until
D. since
Grammar › View
His name is Messi, _______?
A. isn’t he
B. is he
C. is it
D. isn’t it