how long的例句

1.How long have you been living in this country?

你在这个国家居住多久啦？

2.How long can a human being go without sleep?

人不睡觉能活多久？

3.How long have you been in your present job?

你干现在这工作多长时间了？

How long have you been in this game?

你干这行当多长时间了？

How long have you had digital?

你们有数字电视多长时间了？

How long will it take her to swim the Channel?

她游过英吉利海峡得用多长时间？

How long can you balance on one leg?

你单腿能站多久？

How long does the play last?

那出戏要演多长时间？

How long have you been studying English?

你学英语多久了？