[ Tenses ]
The earth __________ a crust under the oceans and the land that we live on.
A. is
B. has
C. have
D. are

Random Topics:
Grammar SuffixesModals of ProbabilityPresent TenseSentence TransformationPhrasal VerbsSimiles, Metaphors, Personification and HyperboleInfinitives for reasonsSimple Past TensesSimple Past vs Past Continuous TensePhrase vs ClauseOther quiz:
Grammar › ViewJennifer and her brother picked up ___________ father’s birthday present.
A. his/her
B. her
C. their
Clause Markers TOEFL Grammar › View
Complete the sentence with the best clause marker:
The most celebrated talking drummers of West Africa are the Yorubas _________ principal instrument is known as a dondon.
A. what
B. that
C. who is
D. whose
Grammar › ViewDo you know the man________ lives in the house opposite mine?
A. who
B. what
C. which
D. when
Grammar › View
Do you think it’s ________ be windy tomorrow?
A. going
B. will
C. to
D. going to
