1.it is about 600 years ago __ the frist clock was made.(tha

It was about 600 years ago that the first clock with a face it was about 20000years ago that the Chinese first made pape It was aout 600 years ago ()the first clock with a face and 1.shenzhen was very small about thirty years ago but it is m It was about 600 years ____ the first clock with a face and it was about 100 years ago [D57] Our school is no longer _______ it was 10 years ago,__ The school is no longer ____ it was 20 years ago,when it was it was about 500 years ago _____ the dream came true he is not the man __ he was twenty years ago. It was about 600 years ago____the first clock with a face an It was about 600 years ago______the first clock with a face