来自高二九班英文

Class 9, Grade 2 如果特别突出高中，可以加上in the high school

Class 9, Grade 2

Hello, I am from GaoErJiu class of XX, my speech today is "environmental science."

1.Good morning/afternoon, everyone. I'm XX from Class 9, Grade 2. Today I'm going to talk about "Environment-friendly Science".2.Good morning/afternoon, everyone. I'm XX from Class 9, Grade 2. Today I'd like to say sth. about "Environment-friendly Science".3.Hi/Hello, everyone. I'm XX from Class 9, Grade 2. My topic today is "Environment-friendly Science".