[ 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:
Tenses › ViewHe ___ the key under the table last night.
A. found
B. is finding
C. has found
Tenses › View
Hani was at the amusement park
Change into Present Perfect Continuous!
A. Hani has been at the amusement park
B. Hani is at the amusement park
C. Hani will have been at the amusement park
D. Hani had been at the amusement park
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
