[ Grammar ]
Present Perfect Continuous: The company (work) on its new product line for the past few months.
A. have been working
B. has been working
C. had been working
Select your answer:
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Grammar › ViewI bought a _____ camera yesterday.
A. black, Japanese
B. small, cute
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I’m sleepy because the dogs ____ barking all night.
A. wasn’t
B. weren’t
C. were
D. was