用代词one或ones的正确形式填空,补全句子．

用代词one或ones的正确形式填空,补全句子．
1.my sister has a blue skirt,and i have a white _______.
2.the bicycle he bought yesterday was not ______ i saw in the mall last sunday.
3.the sunlight is too bright outside,so we'd better have enough glasses for each guest to have _______.
4.--are you going to try on these red gloves,sir?
--no,i'd like to try on those blue _____.
5.mr zhang gave the textbooks to all the pupils except ______ who had already taken them.