( )A：Will you please show me how to use this MP4? B:Sure.Now let _英语解答

( )A：Will you please show me how to use this MP4? B:Sure.Now let me tell you ____ to do first.
A.whetherB.how C.what D.which要原因

人气：149 ℃　时间：2019-12-20 22:04:00

解答

C 第一步做什么
A whether 指是否
B how 指如何
D which 指哪一个
C最符合题意