--- Why is the cake so expensive?---- Maybe you don’t know a cake made of wheat costs less than _____ made of rice. 

Freedom-loving young students dislike being restricted by rules, especially ______ which are “outdated” in their eyes. 

I want to give you _______ to drink. 

I would appreciate        you could come to my birthday party.

Everyone knows how________feels to get so angry that you want to throw things or even hurt others.