One 15-year-old in four is regular soker,according to made in 27 countries in Europe and the United States,Canada and Israel---by Edinburgh University together with the World Health Organization.Please translate.

一岁是one year old还是one years old? 急! 1岁时,是 one years old 还是 one year old? he is only one year old是什么意思 Tim is ____boy.He can say a few words.A.an one-year-old B.a one-year-old C.an one-year oldD.a one-year old The dog is one .选择A year B years old C old D year old 是a one-year-old boy还是an one-year-old boy in one year from today 选择1.my brothers is ( )than me A one old year B one year old C one year older D one years old Lying in the hospital room,13-year-old Achim Nurse pushed an orange button with one of his f_____. One 15-year-old in four is regular soker,according to made in 27 countries in Europe and the United States,Canada and Israel---by Edinburgh University together with the World Health Organization.Please translate. in defence Mr Green stood up in defence of the 16-year-old boy,saying that he was not the one to blame.中in defence of 请造个句! 请问,“一岁”翻译成英语是one year old还是one years old? 请问,我一岁了,用英语怎么说:one year old ,还是one years old My little brother is only one year old.He () () books one－year-old前面用an还是a a one-year-old boy为什么不是an Tommy is an one -year -old boy.哪错了 he is one ---- old .横线上填year还是years