[ Grammar for TOEFL ]
Scientists at the medical center is trying to determine if there is a relationship between saccharine and cancer.
A. is trying
B. to determine
C. is
D. saccharine and cancer
Select your answer:

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Grammar › ViewTina gave her ticket to the concert to John, ____ then sold it to Nick.
A. who
B. that
C. which
D. whose
Vocabulary › View
parts or elements that make up something
A. composition
B. rock cycle
C. igneous rock
D. sedimentary rock
E. metamorphic rock