although l can't work out the dificult maths problem,了want to have（ a--- ）try 首字母填空字母打头a已给

although l can't work out the dificult maths problem,了want to have（ a--- ）try 首字母填空字母打头a已给
although l can't work out the dificult maths problem,了want to have（ a--- ）try 首字母填空
字母打头a已给

although l can't work out the dificult maths problem,了want to have（ a--- ）try 首字母填空字母打头a已给
填another,这里have another try表示“再试一次”.

another，