[ Adverb and Noun Clauses ]
It was in 1875 ………….. joined the staff of the astronomical observatory at Harvard University.
A. that Anna Winlock
B. Anna Winlock, who
C. as Anna Winlock
D. Anna Winlock then
Select your answer:

Random Topics:
Active & Passive VoiceModal Verbs and AdvicePast with ModalsSimple Compound and Complex SentencesMust or Mus notParallel Structure or Combining SentencesVerb + Infinitive or GerundModals and PhrasesPrepositions and Preposition PhrasesPresent Perfect & Past Simple TenseOther quiz:
Grammar › ViewWhat do they want ____________?
A. buy
B. to buy
C. buying
Causative Verb › View
The engineer got the workers….. the bridge.
A. construct
B. to construct
C. constructed
