A.their | B.whose | C.which | D.that |
A.that | B.which | C.where | D.what |
A.so | B.or | C.but | D.as |
A.where | B.what | C.that | D.how |
A.who | B.when | C.that | D.which |
A.of which two-fifths | B.of whom two-fifths |
C.two-fifth of which | D.two-fifth of whom |
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