A:①②③④
B:④②③①
C:②④①③
D:④①②③
— do you go to school every day, Tom?
— On foot.
关于函数y=12x,下列结论正确的是( )
你会做下列加法题吗?
①What's six and one? It's ____.
②What's two and three? It's ____.
③What's zero and nine? It's____.
④What's four and three? It's____.
⑤What's one and five? It's____.