把下列句子改成带有宾语从句的形式

I don‘t know where my Chinese book is 特殊疑问句作宾语从句,疑问词后要用陈述语序
Jane says (that) she studies in Lantian Middle School. 陈述句作宾语从句用that 引导,可省略
Could you tell me if you study French ? 一般问句作宾语从句,用if,whether引导,后面跟陈述语序
Please tell me if/whether he was the first to come to school. 同第三题
The teacher told the students (that) the earth goes around the sun . 宾语从句表达客观事实,客观真理时时态不变