[ Present Perfect Tense ]
The scientist __________________ more than half of the liquid into the 2nd flask (container).
A. Has pouring
B. Have pour
C. Has poured
D. Has pour

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Question Tags › ViewHelen is coming to the park with you, ….?
A. hasn’t she?
B. doesn’t she?
C. didn’t she?
D. isn’t she?
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There was a large ____________ of workers in front of the factory asking for higher wages.
A. product
B. crowd
C. consumer
D. poison
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A. complete sentence
B. sentence fragment
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If they ____(not) improve the bike lanes, people will continue to travel by bus or by car.
A. don’t
B. won’t
