第1个回答 2014-11-06
Their English is very poor，so I often help them.
第2个回答 2014-11-06
Their english is poor,so i often help them.
第3个回答 2014-11-06
They have poor English, so I often help them.
第4个回答 2014-11-06
Their English is not good，so I often help them.