[ Vocabulary ]
Forces that are equal in size and opposite in direciton
A. Unbalanced Forces
B. Air Resistance
C. Balanced Forces
D. Bernoulli’s Principle
E. Constant

Random Topics:
Subject and Verb AgreementComparative AdjectiveDefinite and Indefinite ArticleModals - Reported Speech - ConditionalsModals in the PastInterjection & Prepositional PhrasesGrammar - may/might/couldContractions and ConjunctionsVerb Moods and Vague PronounsArticles - rulesOther quiz:
Verb and Preposition › ViewWhich of the following sentences contains an intransitive verb?
A. She reads a book.
B. He eats an apple.
C. They run fast.
D. I write a letter.
Grammar › View
I can ________ English.
A. speaking
B. speak
C. to speak
Preposition of Direction › ViewWe drove ___________ the tunnel.
A. along
B. through
C. across
D. in
Pronoun › View
If people want to buy new clothes, ___ have to earn money.
A. She
B. He
C. They
