收入853 元记作+853 元,则支出312 元记作( )元.
-312
--- I’m happy that we’ve finally cleared up some problems .
--- Then , let’s ______ , shall we?
--- All right . See you later.
A.go Dutch
B.get it straight
C.call it a day
D.get a bite
我国要求在普通中学设置职业科的学制是________。