[ Grammar ]
They exercise _______ the park for an hour.
A. in
B. on
C. over
D. under

Random Topics:
To Infinitive/Bare Infinitive/GerundsVerbs & Phrasal VerbsUsed to & would & Past SimplePassive VoicesTenses and Time MarkersSubject Verb Agreement Irregular VerbModals with Perfect InfinitiveWh- Questions Present Simple TenseProgressive Verb TensesPresent Simple vs Past SimpleOther quiz:
Tenses › ViewLook! The dog ______ (chase) the cat across the yard!
A. chases
B. is chasing
C. chased
D. will chase
Continuous Tense › View
When I arrived in Denpasar yesterday, It …. raining
Now, it … raining. Tomorrow may be it … raining.
A. will be, is, was
B. was, will be, is
C. was, is, will be
D. is, was, will be