[ Vocabulary ]
a system of ideas to explain something
A. servant
B. evaluate
C. theory
D. preserve

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Grammar › ViewWe __ the studio after we finish recording the scene.
A. are clean
B. are supposed to clean
C. is supposed to clean
D. are supposed to cleaned
Grammar › View
It was ________ that everyone answered it correctly.
A. so a simple question
B. such a simple question
C. too simple question
D. a more simple question
