It takes Mars aout ( ) Earth years to complete a circle around the sun.

It takes Mars aout ( ) Earth years to complete a circle around the sun. It takes Mars about Earth years to complete a circle around the sun.问号处填什么?是一个数字. Do you know ( )it takes very long to travel from earth to mars by space shuttle?A.why B.if C.how D.when理由if不行么？ our spacecraft are too slow to carry large numbers of people to Mars—it takes months.同意句转换把too to 换掉. 英语改错：He asks me that it takes a long time to fly to Mars at present.错在哪?求大神解! --- Could you tell us ______ to travel from Earth to Mars by spacecraft? --- It takes months, I think. A. how far it takes B. how long it takes C. how long does it take D. how soon does it take能给我讲讲吗? It takes what it It will study space envirment of Mars. it takes time it takes no It takes too long it takes time it just takes time What it Takes 歌词 what it takes to what it takes是什么意思 “it takes two to It takes you right