A.to which | B.on which | C.which | D.with which |
A.while | B.as | C.before | D.after |
A.Even if | B.Since | C.Despite | D.Unless |
A.in that | B.for that | C.in which | D.for which |
A.where | B.when | C.which | D.that |
A.however | B.because | C.so | D.otherwise |
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