90. The mother was great/brave.

       The mother loved her son very much.

十一、The students of C,  lass 2,  Grade 3 went hiking for a field trip. On the way home,  Xiao hua found a little bird under a tree. There was something wrong with its wing. /      Something was wrong with its wing. It couldn't fly. Xiao hua brought it home and took good care of it/looked after it well. Now the bird is better. Xiaohua is going to let it(fly) back to the blue sky because the blue sky is the bird's real home( because the blue sky is the real home of the bird).