有一个错误：The robbers drove away by a green van.
问题描述：
有一个错误：The robbers drove away by a green van.
答
were driven away
答
The robbers drove away in a green van.
The robbers drove off in a green van.
答
The robbers were drove away by a green van
答
The robbers were driven away by a green van
答
把by 改为 in 或者把 a green 去掉
你是学牛津教材的吧?