[ Vocabulary ]
Any substance that cannot be decomposed into simpler substances by ordinary chemical processes
A. atom
B. element
C. compound
D. molecule

Random Topics:
First Conditional & Future TensesSocial Media VocabularyVocabullary TestModals and Modal PerfectsPast Simple or Past ContinuousPresent Perfect Simple vs ContinuousFigure of SpeechModals for Ability, Possibility and PermissionSome & AnyConditionals (0 - 1 - 2)Other quiz:
Grammar › ViewWe _______________ to Wenshan farm twice every semester.
A. go
B. goes
C. is going
D. are going
Grammar › View
Which sentence contains an incorrect shift in verb tense?
A. I want to visit Florida and saw the ocean.
B. I want to visit Florida and see the ocean.
If Conditionals › ViewIf you ____ your homework, your teacher ____ angry with you.
A. don’t do / gets
B. do / getting
C. won’t do / get
D. don’t do / won’t get
Vocabulary › View
Your idea isn’t good so I ……………….…. it.
A. protect
B. reject
C. elect
D. select
