[ Vocabulary ]
This is energy that moves in waves and allows us to hear
A. Loud
B. Sound
C. Soft

Random Topics:
Simple Past Irregular & NegativeHave vs. HasFuture SimpleIELTS GrammarPhrasesGrammar (Adjectives)Kinds of SentencesModals of ProhibitionHave to/Has toGerunds and InfitinitivesOther quiz:
Grammar › ViewMy sister (tutor) _________________________ children from poor families twice a week.
A. tutors
B. tutored
C. has tutored
D. tutor
Subject Verb Agreement › View
All wild animals on this planet _____ valuable and precious because they are here for a reason.
A. is
B. are
