[ Past Perfect Tense ]
When we went to Osaka, my friend _______ a lot about the city because she _______ there many times.
A. Was, had known
B. Had known, was
C. Knew, had been
D. Had been, knew

Random Topics:
during, for, whilemust/shouldDegrees of AdjectivesOffering HelpAdverbs and PhrasesGrammar: was/wereas...as, comparatives, superlativesModals and Present TensesSentence Structure and Pronoun AntecedentQuantifies and Modals of DeductionOther quiz:
Grammar › ViewThe secretary ______ talking to the manager has arrived recently.
A. which is
B. who is
C. which are
D. who are
Simple Past Tense › View
When I lived in South Korea, I ………………… in a hospital.
A. work
B. worked
C. was working
D. was worked
Grammar › ViewI am ____ my brother.
A. as tall
B. as taller
C. as tall as
Relative Clause › View
The car ______ the robbers escaped in was a BMW.
A. that
B. who
C. whose
D. whom
