A.one by which | B.the one where | C.one in which | D.the one by which |
A.since | B.when | C.while | D.As |
A.that | B.when | C.where | D.Which |
A.if | B.when | C.even if | D.Unless |
A.what | B.which | C.what | D.Why |
A.which | B.as | C.when | D.what |
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