[ Vocabulary ]
In an experiment, a factor that does not change
A. Unbalanced Forces
B. Control
C. Balanced Forces
D. convection
E. Constant

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A. must
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Felis and Andi …. writing poems for an English subject
A. are
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In which sentence should well replace good?
A. We all played good and won the game.
B. We felt so good that we had another chance.
C. It was a very good result.
D. The swim definitely did me good.
