一道八年级英语题

Question

He teaches himself English ______ the radio.
A.at
B.in
C.with
D.on
给讲一下，谢谢

Answer 1

答案：D.
翻译：他通过/利用广播/收音机自学英语。
解释：
1. 固定短语：on/over the radio/telephone = by radio/telephone，意思是“通过/利用广播（收音机）/电话（的方式）”。
2. teach oneself sth = learn sth by oneself，意思是“自学...”。

参考资料：英语牛人团

Answer 2

选c teach sb with sth

Answer 3

one teach oneself 是自学的意思
后边的介词要用on 而不可以用with比如
he learns english on tv