[ Vocabulary ]
the layer of gases that surrounds Earth
A. biosphere
B. hydrosphere
C. atomosphere
D. geosphere

Random Topics:
If/Unless - Conditional type 1Modals AuxiliaryAdjectives with -ED and -INGWill vs Verb InfinitivesVerb AgreementAuxiliary WordsPassive Voice in Past and Present TenseComparatives and SuperlativesDemonstrative Pronouns and Verb TensesGrammar SuffixesOther quiz:
Modals › ViewWe _________________ (invite) so many people to our party! I’m worried that we won’t have enough room for everyone.
A. have shouldn’t invited
B. shouldn’t have invited
C. should invite
D. shouldn’t invite
Grammar › View
You always ________ me feel special.
A. make
B. makes
Grammar › ViewI haven’t seen the people next door for ages. They …. away.
A. should have go
B. must gone
C. must have gone
Grammar › View
How long ____ the drums?
A. have you been playing
B. you have played
C. have you playing
D. have you played
