[ Vocabulary & Grammar ]
People first started using ___________ bottles about 60 years ago.
A. electric
B. engine
C. machine
D. plastic

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Vocabulary › Viewwhen and where the story takes place
A. Setting
B. central message
C. Topic
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Some vs. Any › View
His brother gave me __ stamps.
a. some
b. any
Grammar › ViewMy brother ___ (ride) the skateboard very well.
A. rode
B. ride
C. rides
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I went swimming in the sea _______________
A. Myself
B. Herself
C. By myself
