They decorate the windows ________ paper cuts．

1. A.
   use
2. B.
   with
3. C.
   in
4. D.
   and

People usually decorate homes _______ Christmas Day.

1. A.
   on
2. B.
   in
3. C.
   for
4. D.
   at

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I usually decorate the windows with paper cuts.（对画线部分提问）