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

Random Topics:
Vocabulary and PrepositionsCoordinating and Subordinating ConjunctionsGrammar - direct/indirect objectsLinking VerbsActive & PassiveModal Verb, Passive VoicePreposition (at,in,on)Present Simple TenseGrammar: SyntaxThe Structural Types of SentencesOther quiz:
Determiners › ViewI need ____ favour from you.
A. little
B. a little
C. some
D. a few
Noun Phrases and Adverbials › View
Which of the following is a fronted adverbial?
A. The bird
B. During the night
C. Night
D. The blue bird
Simple Present Tense › ViewYou ___ like me very much, do you?
a. doesn’t
b. don’t
Grammar › View
All my friends love coffee. of them like tea
A. either
B. neither
C. none
D. whether
