Thescienceofmedicine,______progresshasbeenveryrapidlately,isperhapsthemostimportantofallthesciences.
A. to which
B. in which
C. which
D. with which
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Leecontributedfiftydollars,buthewisheshecouldcontribute______.
A. one other fifty dollars
B. the same amount also
C. another fifty
D. more fifty dollars
Myfrienddoesonethingonedayandjustthe______thenext.Hisbehaviorisinconsistent.
A. other
B. alternative
C. negative
D. opposite
Theydidconsiderableworkto______themassesoftheUnitedStateswiththeelementaryproblemofLatinAmerica.
A. instruct
B. acquaint
C. devote
D. impart
Ifelttiredoftheperformanceandwasabouttoleave,______somethingoccurredwhichattractedmyattention.
A. unless
B. while
C. when
D. until