How long will it be in the boiler for?

要在里面加热多久呢？

How long have you had your toothache?

你的牙痛了多久了？

How long can picking a nerdy roommate take?

选一个书呆子舍友能花多少时间？

How long? How long does she need?

多久？她需要多长时间？

How long are you staying in Britain?

您在英国呆多久？

How long you planning on staying?

你打算待多久啊？

How long will they be on sale?

大甩卖多久？

" Okay. How long will you be staying" ?

" 好的，你要住多久？"

How long is the validity term of insurance responsibility?

保险责任有效期是多少？

How long have you been studying English?

你学多久英语啦？

How long do you think you'll be?

你觉得你们多久会到？

That sounds great. How long for?

听起来很棒。要多久？

How long could the shutdown go on?

政府关门这种状态会持续多久？

How long would it take to build?

建造需要多长时间?

How long's it take to get the makeup off?

要多长时间才能卸完妆啊？

How long do you think you'll be? Really?

你们什么时候能到？真的吗？

How long must we stay in captivity? How long will the American government not pay attention?

我们要囚禁多久？得不到美国政府的关注，这还要多久？

How long will you stay in Madrid?

你会在马德里呆多长时间?

How long has the class been waiting?

同学们等了多久了？

How long have you had your computer?

你的电脑用了多久了？