请用if...will的句型完成下列句子.造句一行一行的
问题描述：
请用if...will的句型完成下列句子.造句一行一行的
my sister/ happy/bake brownies /
the child / alone / watch TV/
the lady /nervous / bite her fingernails
my brother /mad / slam the door
一行一行的
答
If my sister is happy, she will bake brownies.
If the child is alone, he will watch TV.
If the lady is nervous, she will bite her fingernails.
If my brother is mad, he willslam the door.