Question

高手翻译，人工翻译一个句子，注意是人工！不要网上的在线翻译

他的英语有进一步改善的空间，
用There be句型
空间用room,进一步用further

Answer 1

There must be a lot of development space for his English.

Answer 2

There still be some room for him to improve his English further.

Answer 3

There is much space for his English to gain improvement.

Answer 4

there is more space for him to improve his English skill.

Answer 5

There is room for improvement in his English.