[ 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

Random Topics:
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:
Vocabulary › ViewMeters, kilometers, millimeters are the units of ___________.
A. force
B. temperature
C. length
D. mass
E. time
Grammar › View
General review – Select the correct option
You’re at home early. I thought you _____________ play squash with Alex tonight.
_____
A. are go to
B. were went to
C. were going to
D. going to
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
