[ 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:
Present Perfect Tense › ViewI have……a delicious food for them
A. Cook
B. Cooks
C. Cooked
D. Cooking
Phrasal Verb › View
This matter is turning into a serious problem. What does ‘Turn into’ mean?
A. Stay the same
B. Become
C. Forget
D. Remember
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
