英语问题

Question

DO throw away the mangos as they( )1 are badly 2 have turned to bad 3have gone bad 4 have changed bad应该选哪个，告诉我理由

Answer 1

应该是选3.
1.从字面上看，只有已经变坏了，才确定必须扔掉。
2.turn to 是指的变的过程，正在变，而不是已经变坏。而go bad 是已经变坏了。
由上，选3合适。

Answer 2

选1呗，这么简单········

Answer 3

3

Answer 4

3
have gone bad 已经变坏了
go bad 变坏
go是系动词

Answer 5

3