Допишите уравнения химических реакций. 
1) LiОН + SO3 
2) NaOH + Р2О5 
3) Са(ОН)2 + СО2 
4) Ва(ОН)2 + SO2 

Complete the sentences with the correct past participle form.

1.That boy has ......  very lazy recently.

2.I hope Jck has ....... the bus and won*t be late home.

3.Poor John.He has ................... his leg badly.

4.Where is my bike? Someone has .......... it!