[ Subject Verb Agreement ]
Environmental pollution ________ a serious threat to our health.
A. pose
B. poses
Select your answer:
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Vocabulary and Grammar › ViewYou should not ___________ as it is bad for your health.
A. smoke
B. smoked
C. smoked
D. smoking
Conjunctions › View
She made a delicious dinner ____ unfortunately I had already eaten a huge lunch.
A. when
B. but
C. so
D. because