[ Vocabulary ]
This is an invisible wave caused by vibrations that move sound
A. Sound wave
B. Light wave
C. Pitch
Select your answer:

Random Topics:
Gerund - to Infinitive Grammar - Compound SentencesDemonstrative PronounVerb Tenses and Subject Verb AgreementPresent Continuous TenseConditional Sentence Type 1Conjunctive AdverbContinuous TenseIrregular AdjectivesPresent Simple x Present ContinuousOther quiz:
Grammar › ViewChoose the correct sentence.
A. The sea was too rough for the boys to go swimming.
B. The sea was rough too for the boys to go swimming.
C. The sea was rough for the too boys to go swimming.
D. The sea was rough for the boys to go too swimming.
Grammar › View
We have made a ________ under Mr. Gordon.
A. itinerary
B. reservation
C. discussion
