[ Science ]
The blanket of air that envelops the earth is called _________ ?
A. Upper crust
B. Hydrosphere
C. Lithospere
D. Atmosphere
Select your answer:
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Grammar › ViewWhich one shows the simple present tense?
A. Would cook
B. Will cook
C. Cook
D. Cooked
Grammar › View
___the children in the park last Sunday?
A. Do
B. Are
C. Were