超级英语的问题,People have used ___(蜗牛) mails to talk about paper m

超级英语的问题,
People have used ___(蜗牛) mails to talk about paper mails,because it is slower than e-mails.
( )The coat is ____ silk.
A.made of B.made from C.made into D.made in
The blue dress looks lovely on her.(改为同义句)
_____ looks lovely ___ the blue dress.
Her cat died two weeks ago.(改为同义句)
Her cat ____ ____ ____two weeks ago.
翻译：如果我们继续破坏森林来修路,他们将没有合适的地方居住.