[ Vocabulary ]
This is an invisible wave that moves light
A. Reflect
B. Sound wave
C. Light wave
Select your answer:
Random Topics:
Possesive Pronouns and Modals of AbilityGrammar speak,talk,say,tellPassivisationPresent TenseSentence StructuresTenses and VoiceGrammar and Verb TensesRecount Texts and TensesArticles & QuantifiersModal Verbs and AdviceOther quiz:
Modal Verbs › ViewThey built this huge temple 1000 years ago. This ______ a great civilization.
A. should have been
B. must have been
C. could have been
D. can’t have been
Gerunds/Infinitives › View
I’m staying at home ___ Mom with the chores this weekend.
A. helping
B. to help