The skirt ________ is made of silk is very expensive．I can’t afford it．

1. A.
   what
2. B.
   /
3. C.
   that
4. D.
   it

The skirt _________ is made of silk is very expensive．I can’t afford it．

A． what           B． /          C． that           D． it

The skirt _________is made of silk is very expensive. I can’t afford it.