A.what | B.that | C.whether | D.when |
A.that; which | B.which; what | C.that; that | D.which; which |
A.that; what | B.what; what | C.what; that | D.what; who |
A.which | B.on which | C.of whom | D.Who |
A.what | B.how | C.that | D.why |
A.when; which | B.which; when |
C.what; that | D.on which; when |
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