[ Grammar ]
The students prepared in advance for the Science Fair.
A. Correct as is.
B. Omit in advance.
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Grammar › View
Where is the rug?
A. Beside the tub
B. on the wall
C. under the tub
D. in the shower
Grammar › View
The different colors of ________ the different temperatures of the stars’ surfaces.
(A) the stars indicate
(B) indicating stars
(C) the indication that the stars
(D) stars indicating that