[ Grammar ]
A company always _____ extensive market research before it launches a new product
A. does
B. makes

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Preposition › ViewThe monkey jumped _________ the wall.
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Justin, Teejay and TianHao … … a Youtube video.
A. am filming
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When Messi stops ___ at PSG, I think he will go to the USA.
A. to play
B. playing
C. to playing
D. play
