A.where | B.that | C.there | D.which |
A.that; that | B.which; that | C.that; which | D.which; which |
A.as | B.so | C.but | D.and |
A.before | B.after | C.until | D.since |
A.whose | B.which | C.of which | D.what |
A.at which | B.at where | C.the place where | D.where |
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