When did people try to develop ways of showing motion with photographs（） A: Before the twentieth century. B: Early in the beginning of the twentieth century. C: At the dawn of the first day of the twentieth century. D: After the dawn of the twentieth century.

2.The first non-natural colors were produced_____. A: many centuries ago B: in the nineteenth century C: in the twentieth century D: only recently

We all think the _____ century will bring us more hopes. A: twenty-first B: twentieth-first C: twenty-one D: twentieth-one

We all think that the ______ century will bring us more hopes。 A: twenty-first B: twentieth-first C: twenty-one D: twentieth-one

at the turn of the twentieth century dominated land transport

“Waking of Insects” from the twentieth or twenty-first of March.

“Grain Full” from the twentieth or twenty-first of May.

According to the speaker, footballers are the heroes of the twentieth century.

-How old is Kate?-______. We had a special party for her ______ birthday yesterday. A: Twenty; twentyth B: Twenties; twentieth C: Twenty; twentieth D: Twenties; twentyth

Grain Full starts from the twentieth or twenty-first of June.