why don‘t you eat some snacks?

问题描述:

why don‘t you eat some snacks?
改为同义句:why ___ ___ some snacks?
if i work hard ,i will go to college.
改为否定句:if i ___ work hard,i ___ go to college.
他一直到校很早.
he gets to school early ___ the ___.

not eat
don't won't
all time