[ Grammar for TOEFL ]
The major cause _____ the pull of the Moon on the Earth.
A. the ocean tides are
B. of ocean tides is
C. of the tides in the ocean
D. the oceans’ tides

Random Topics:
Verb AgreementPassive Voice, Modals of Deduction and First ConditionalAdverbial PhrasesModals AuxiliaryVerb-ing and InfinitiveGrammar Like & Linking VerbNoun and Modal VerbsGrammar: was/wereSports VocabularyComparisionsOther quiz:
Sports Vocabulary › ViewHave you ever tried _____ underwater? It’s fun!
A. handball
B. ice hockey
C. diving
Some vs. Any › View
………………. people think that Mary is stupid.
A. Some
B. Any
Aubrey was __________ pain medicine for her dislocated rib. She felt much better afterwards.
A. rendered
B. administration
C. animation
D. concoct
E. executed
Grammar › View
Choose the antonym of ugly.
A. weak
B. unique
C. pretty
D. nice
E. mean
