[ Grammar ]
The airplane model took three hours to build.
What is the complete subject?
A. airplane
B. The airplane model
C. hours
D. three hours
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A. start a journey
B. complete a form
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The quality of online videos that teach English is ___________today than ten years ago.
A. worse
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C. more good
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CRYPT, CRYPH, KRYPT root word belongs to which meaning…
A. hidden, secret
B. To lean, to slope
C. to lie
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