When I’m older I want to be engineer be(a)cause I like tecnology and machines. I want to visit USA be(a)cause there are many actors. My favorite subjects at school are maths and science beacause (it’s) they are fun. I like play football and play tennis be(a)cause many deportivity.

VERY GOOD. Vigila com escrius because. Fes també atenció a la utilització dels plurals. “Many deportivity” no entenc que vols dir.