改错:I have been to Hainan three time .

问题描述:

改错:I have been to Hainan three time .

I have been to hainan three times

time改为times 在这time表示次数而非时间 所以time要加s

I have been to Hainan three times.

time改成times

不,初中标准的应该是:I have been to Hainan for three times