[ Vocabulary and Grammar ]
Which term means “having a surface or structure marked by parallel ridges and grooves, creating a wavy or wrinkled appearance”?
A. Mesmerized
B. Intent
C. Corrugated
D. Retaliate

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Modals and Responsibilities › ViewShe is ___ her younger siblings.
A. must
B. need to
C. have to
D. responsible for
Grammar › View
Dinosaurs __________ prehistoric animals.
A. was
B. were