[ Verb Tenses and Modals ]
“Trees do not only prevent flooding, they also produce cleaner air ___ of the oxygen they produce.”
A. when
B. because
C. as well as
D. If
Select your answer:
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Fragment, Comma Splice and Run -on Sentence › ViewTriangles have three sides and three angles.
A. sentence fragment
B. run-on sentence
C. complete sentence
Grammar › View
We’ve been____________ up to travel to New York this summer.
A. looking
B. saving
D. having
D. bringing