[ Grammar ]
Water take ____ 80 percent of the Earth’s surface.
A. after
B. up
C. over
D. in

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Dependent Clausesas...as, comparatives, superlativesSimple PastModal Verbs of PermissionNoun ClausePhrase vs ClausePresent Perfect Simple & ContinuousGrammar RulesPhrasal Verb and ModalPast and Present ContinuousOther quiz:
Degrees of Comparison › ViewThe modern wind turbine works the …
- more efficiently
- most efficiently
- efficiently
Grammar › View
My brother and I ___________ lunch together once a month
A. have
B. has
Grammar › ViewHuachen and Ashton have decided to __________ the school carnival.
A. attend
B. attends
C. attended
D. attending
Modals › View
You ______ have told me before borrowing my bicycle
A. should
B. can
C. may
