问题描述：
英语九年级单词填空
these scientists have made a great c to sending up satellites into outer spare
your english is very good.how did you learn it
i taught ()
july the first is our ()birthday
we work in the d and sleep at night
when d see the sign,they must slow down
these scientists have made a great c to sending up satellites into outer spare
your english is very good.how did you learn it
i taught ()
july the first is our ()birthday
we work in the d and sleep at night
when d see the sign,they must slow down
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