one前是用a还是an,如:such a one 还是 such an one.
one前是用a还是an,如:such a one 还是 such an one.
one such 还是 a such
是an one还是a one
a one -hour还是an one-hour
such one ,one such,such a 的区别
useful one前用an还是a
one前加a还是an?
冠词 an one-hour 还是a one-hour
是a one-hour ducumentary还是an one-hour documentary
such one and one such
英语翻译是one and a half hours还是one and half an hours还是其他?
one 前的冠词是a 还是an?