[ Vocabulary ]
Michael and Grace are curious about the origins of words. Can you help them fill in the blank? The history of linguistic form is called ________.
A. etymology
B. phonology
C. syntax
D. morphology

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Grammar › ViewHe is the teacher made me think the most.
A. True
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Change the phrase into a possessive noun.
The paint of the houses
___
A. the houses paint
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A. will be offended
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Passengers, please prepare for ____.
A. duty-free
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D. check in
