[ Vocabulary ]
A little over 70 percent of the Earth’s ________ is covered in water.
A. surface
B. face
C. superficial
D. habitat

Random Topics:
Perfect and Past TensesModals and Semi-ModalsPhrasal VerbsModals and Active and Passive VoiceAdverb or AdjectiveSimple TenseFuture - will / going to / present continuousAbstract NounsVerbs, Tenses, and VocabularyPresent Simple Positive and NegativeOther quiz:
Adverbs of Time › ViewIdentify the adverb of time:
Michelle will arrive any moment now.
A. will
B. now
C. arrive
Idioms › View
She is such an anxious woman.
a. uptight
b. urban
c. uniform