,i often listening in the languge lab改为一般疑问句 We have（ three ）maths classes a week对打扩号

,i often listening in the languge lab改为一般疑问句 We have（ three ）maths classes a week对打扩号
1.i often listening in the languge lab改为一般疑问句
2.We have（ three ）maths classes a week对打扩号部分提问
3.Do you often speak English?做出肯定回答
4.What do you do in science classes?用“做实验”回答