[ Grammar ]
I used to _______ swim for more than one hour but now I can’t even do 10 minutes.
A. able
B. was able
C. am able to
D. be able to

Random Topics:
Vocabulary, Adjective & PrepositionPast TenseSubject Verb Agreement and Verb TensesNouns as AdjectivesPresent SimpleAdverb & Compound SentencesModal Verbs for Permission and ObligationDo not- Does notComparative & Superlative AdverbsComparisonOther quiz:
Grammar › ViewRock music _____ popular around the world for more than 40 years.
A. was
B. is being
C. had been
D. has been
Grammar › View
A __________ can help relax your muscles.
A. sauna
B. blister
C. manure
Grammar › ViewSwimming is my ________________.
A. humble
B. alone
C. pleasant
D. hobby
Grammar › View
I find shopping at the grocery store quite tedious.
A. Correct
B. Incorrect