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

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Tenses › ViewWe _____________ (miss) the bus twice this week
A. Keep missing
B. Have missed
C. Have been missing
D. Have been missed
Vocabulary › View
to communicate or make known
A. convey
B. dominion
C. arouse
D. accord
