[ Grammar ]
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

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Finite and Non-Finite VerbAuxiliary Modalgoing toDirect and Indirect QuestionUsed to & would & Past SimpleAspect or tenses of VerbsSentence Structure and PunctuationConditional Sentence Type 2 and Type 3Persuasive TextPresent Perfect - Just, Already, YetOther quiz:
Grammar and Essay › ViewI am fat ____ I will start to do exercise tomorrow
A. although
B. since
C. so
Grammar › View
The children grumbled ________ when they were asked to clean up their rooms
A. stubbornly
B. eagerly
C. hopefully
D. happily
Mixed General Quiz › ViewA person who competes is a competit___.
a. er
b. or
c. ar
Prepositions › View
Yesterday Nga was absent ________ class because she was ill.
A. from
B. with
C. to
D. for
