Wang Yaping is the first woman astronaut who taught lessons in space. Do you know _______?
Therearetwothousandstudentsinourschool,______aregirls.[ ]
The girl is _______ a nice girl _______ we all want to help her. [ ]
Do you know______man in white?-Oh, he is_________ scientist from America.
are you staying in Yunnan?[ ]