[ Gerunds ]
I think_______outside in the open air is much more enjoyable than_______exercise in some stuffy gyms.
A. to walk – done
B. walking – doing
C. walk – to be doing
D. having walked – do
Select your answer:

Random Topics:
ComparativeGrammar : Must (Necessity)Grammar (Possessive Pronouns)IELTS GrammarThird ConditionalPresent tense AffirmativePrepositions of Time, Place, and MovementModal Verbs and PermissionInfinitivesModals for Necessity and SuggestionsOther quiz:
Grammar › ViewWhen I _______ home, I’ll watch a football game.
A. has return
B. returned
C. will return
D. return
Modal Verbs › View
I___________ some fruit. I have nothing in the fridge.
A. must buy
B. mustn’t buy
C. could buy
D. don’t have to buy
