[ Vocabulary ]
The octopi _________ with the algae in order to escape predators.
A. blend in
B. shallow
C. searching
D. attractive
Select your answer:
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-ing / Infinitive › ViewThey seem … this exercise
A. to understand
B. understanding
C. understand
Grammar › View
Someone left their jacket behind. __ is it?
A. Whose
B. Which
C. What
D. Whom