Topics: Vocabulary & Grammar
The factories have closed for the weekend to ________ energy.
A. preservation
B. conservation
C. conserve
D. preserve
Select your answer:

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Grammar and Reading › View
This morning we played basketball. Transform the sentence into a negative sentence.
A. We played no basketball this morning.
B. Did we play basketball this morning?
C. This morning we played basketball, didn’t we?
D. This morning we did not play basketball.
