Topics: Vocabulary and Grammar
In environmental context, what principle should inventors consider?
A. take into account
B. innovation
C. progress
D. decade
Select your answer:

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Grammar › ViewIf you _____ a book, it probably _____ to Chris.
A. finds / belongs
B. finds / belong
C. find / belongs
D. find / belong
Vocabulary › View
Floods, tornados and avalanches are some of the natural ________ .
A. polyesters
B. disasters
C. eruptions
D. corruptions
