Fill in the black with the corect from of the given word

fill in the black with the corect from of the given word 
1.   My mom enjoys cooking on a gas ....................... (cook) 
2.   Her father is a ..........................(farm) 
3.   Near my house there is a market. It's very................................. (noise)
4.   Her ................. are in the yard.They are playing soccer. (child) 
5.   Minh is ............................... at English than I am. (good)