Question

Mr Huang is sixty years old. He has retired. He taught our	76.
Chemistry when we were in Senior Grade One. He was old, and	77.
he taught very well. He tried his best to make his classes live. Mr	78.
Huang usually made good preparation for the lessons and was	79.
strict with us too. Each time we made mistakes in our homework.	80.
he would ask us to correct them. At time, I was rather poor in	81.
chemistry. Mr Huang often helps me with my study very	82.
Patiently. With his help, I made a great progress and caught	83.
up the class. He was always very kind to every student. As	84.
an experiencing teacher, he was respected and loved by all	85.
the students

Answer 1

76．Our→us               77．and→ but               78．live →lively 

79．preparation→preparations       80．正确       81．At 后加one       

82．helps→helped        83．去掉a    

84．up 后加with          85．experiencing →experienced