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

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Grammar › ViewThe company will upgrade _________ computer information systems next month.
A. There
B. Their
C. It’s
D. Its
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She _______ for this job since last year. (apply)
A. applies
B. has applied
C. had applied
D. had been applying
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A. rode
B. ride
C. rides
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I went swimming in the sea _______________
A. Myself
B. Herself
C. By myself
