9. Straw hats are made from the stems of grass plants.(改为同义句)

问题描述:

9. Straw hats are made from the stems of grass plants.(改为同义句)
The stems of grass plants _______ _______ _______ straw hats.

9. Straw hats are made from the stems of grass plants.(改为同义句)
The stems of grass plants _are______ __made_____ __into_____ straw hats.