[ Grammar ]
Lemon juice doesn’t have negative impacts on the environment _____ we should use it for cleaning instead of hazardous chemical products.
A. because
B. although
C. so
D. but

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Vocabulary › ViewPeople ________ that English is an important language to learn.
A. acknowledge
B. admire
C. desire
D. prefer
Homonyms › View
Sea ___ is a particular type of seaweed.
a. rack
b. wrack