A.Which; which | B.What; what | C.It; which | D.As; what |
A.so that | B.in order to | C.so as to | D.now that |
A.before | B.when | C.that | D.until |
A.where | B.which | C.what | D.when |
A.while | B.as | C.unless | D.until |
A.while | B.as | C.before | D.until |
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