[ Vocabulary ]
Force exerted by every object in the universe on every other object. The amount of force depends on the masses of the objects and the and the distances between them.
A. Unbalanced Forces
B. Force
C. Balanced Forces
D. Friction
E. Gravity

Random Topics:
Moods of GrammarPossessive Pronouns and QuantifiersPast SimpleNoun Clauses with THATPassive Voice in Past Simple TenseConnectivesTOEICNoun, Quantifiers and SuffixesGrammar and IdiomsReported Speech and Reporting VerbsOther quiz:
Adjective Clause › ViewMy niece and nephew, who lives in England, are arriving tomorrow.
A. Niece
B. Who
C. Lives
D. Are arriving
Vocabulary and Grammar › View
Erika ….. a lot of pets when she lived on a farm but now she doesn’t.
A. has had
B. would have
C. used to have
D. was having
Prepositions › ViewMy cat loves sitting ……. the kitchen table.
A. In
B. On
C. At
First Conditional, Future Time Clauses › View
What will happen if the parachute …………..?
A. doesn’t open
B. won’t open
C. might not open
