[ 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

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If Conditional Zero and OneParticipal PhrasesGrammar - some / anyPast simple vs Present perfectAdverbs or AdjectivesModals and Past ModalsDefinite pronouns (Subject, Object, Reflexive)Relative Clauses and UsageIF CLAUSEGrammar (Possessive Pronouns)Other quiz:
Grammar › ViewIf I were you, I ___ the incident strightaway; there’s no point in waiting.
A. report
B. reported
C. would report
D. will report
Grammar › View
Andy won’t join the music club, and Bella ____, either.
A. will
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Simple Past Tense › ViewWhere / she / buy / her new jeans?
A. Where did she buyed her new jeans?
B. Where she buy her new jeans?
C. Where did she buy her new jeans?
Past Perfect Tense › View
By the time we got there, he _______________ .
A. have left
B. has left
C. left
D. had left