Ithasalreadybeenvisitedb___manfromtheEarth.Man-madesatelliteshavebeensentupi_spacebymanycountries.
2022-05-07 40次 反馈错误 加入收藏 正确率 : 100%
题目内容：
It has already been visited b___ man from the Earth.Man-made satellites have been sent up i_ space
by many countries.
优质解答
by
into
.
本题链接：
