[ Vocabulary ]
a dense sphere of solid metal found in the center of Earth
A. crust
B. mantle
C. inner core
D. outer core
E. magma

Random Topics:
Ed and Ing EndingsModals, Phrasal Verbs, Gerunds and InfinitivesPrepositions & Prepositional PhrasesModals and ResponsibilitiesWH Questions and Simple Past TenseGrammar ElementaryPast Continuous Tense & Past ModalsSynonymsReflexive pronounsGrammar MistakesOther quiz:
Grammar › ViewChoose the correct form: “___ (there) a library near your house?”
A. Is there
B. Are there
C. There is
D. There are
Grammar › View
I’m tired today ___ I couldn’t sleep last night.
a. so
b. because
Ohio is located ___ Pennsylvania and Indiana.
a. next to
b. between
c. below
d. above
Modal Verbs & Perfect Infinitive › View
. You _______ (see) a ghost! There’s no such thing.
A. can’t have seen
B. must have seen
C. should have seen
D. might have seen
