[ Vocabulary ]
a force exerted between the surfaces of objects in contact
A. friction
B. gravity
C. exert
D. force

Random Topics:
Grammar ( going to)Modals for Ability, Possibility and PermissionSimple Tenses in EnglishFirst Conditional & Future Tenses1st and 2nd ConditionalsNoun / PronounPresent Simple/AffirmativeAdverb Of PlaceInfinitives for reasonsFuture Tenses and ModalsOther quiz:
Grammar › ViewBatu Caves _____________ thousands of worshippers every year, especially on Thaipusam.
A. attract
B. attracts
C. attracted
D. attracting
Tenses › View
True or False:
“Past continuous is used when talking about something that happened when something else was happening.”
A. TRUE
B. FALSE