howlong属于什么知识点

howlong属于什么知识点

howlong知识点:

how long: 有多久，用来提问时间。

How long will the registered trade-mark remain valid ?注册商标的有效期多长

How long will this ability persist ?这种能力还能维持多久

Well ， how long have you studied english ?你学英语多久了

How long does it take to get to tamsui by bus ?搭公共汽车到淡水需要多久时间

How long can you hold your breath for ?你能屏住呼吸多久

How long will you be staying in paris ?你在巴黎要呆多久

How long will it take to set up the projector ?把这个放映机安放好需要多长时间

How long has she been your favourite ?你看中她多久了

How long are you staying in london ?你会在伦敦呆多久

How long do you intend to stay ?你打算在这儿住多久