--The radio isn't working.I wonder what's happened to it.--Have y_英语解答

--The radio isn't working.I wonder what's happened to it.--Have you____ the batteries?
--The radio isn't working.I wonder what's happened to it.
--Have you____ the batteries?
A.tried to change
B.tried changing
C.managed to change
D.managed changing
意思是什么///

人气：233 ℃　时间：2020-06-16 05:19:12

解答

B.tried changing
收音机没动静了.什么情况啊?
换个电池试试.