A.so | B.and | C.but | D.or |
A.how | B.as though | C.as long as | D.however |
A.which | B.what | C.where | D.whether |
A.except | B.except for | C.except that | D.except when |
A.which , that | B.as , as | C.as, that | D.that , which |
A.added to | B.added up | C.added in | D.added up to |
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