根据例子写出下列加法的表达。
Model:2 +5=?What's two and five?
2+5 =7 Two and five is seven.
1. 1+2=? _________________________________
2. 3+3=6 _________________________________
3. 4+0=? _________________________________
4. 5+3=8 _________________________________
5. 6+4=10 ________________________________