[ Grammar ]
Sarah Frances Whiting opened the —- of physics in the United States in 1878.
A. undergraduate teaching was in a second laboratory
B. second teaching laboratory of undergraduate
C. undergraduate teaching laboratory was second
D. second undergraduate teaching laboratory
Select your answer:
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Conjunctions › ViewI had already eaten ____ I wasn’t hungry for dinner.
A. until
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A: Would you like to …. out on Saturday? B: Of course.
A. go
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