what's eight and seven?it's（） i have 33 y

what's eight and seven?it's（） i have 33 y
what's eight and seven?it's（）
i have 33 yuan.this t-shirt costs all my money,so it's( )yuan.
there are thirty books on the shelf.ten of them are jenny's,so( )of them are cindy's.
提示如下：with、try
ok.i'll( )the chicken noodles.( ) would you( ),jack?
carrot and egg dumplings?i'll ( )that,please.