A.whatever | B.wherever | C.what | D.Where |
A.if | B.that | C.whether | D.What |
A.the place where | B.what | C.that | D.Where |
A.When | B.While | C.If | D.As |
A.where | B.when | C.which | D.that |
A.when; knocking | B.when; knock | C.that; knocking | D.that; knock |
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