things are on mars on earth becaus of the different gravitya much lighter b much lighter,than those

things are on mars on earth becaus of the different gravitya much lighter b much lighter,than those Things from Earth are ____ on Mars.A.hardly to find B.hard to find them C.hard to find D.hardlyfinding I think the first (settle) on Mars are robots are there martians on mars?what do you think? on the Mars 还是on Mars maybe many years late people can find-----------things on the Mars应该填什么 There is a shopping mall on Mars __(sell) different kinds of things from Earh. 一到首字母填空There are many o（ ）things like beatiful pictures on the wall. I don`t believe there are a____ on the Mars.A knife is used for c____ things.I`m new here.I haven`t any e____.还有说出为什么 跪求b.o.b - nothin' on you - bruno mars歌词的中文解释! There are many (live) things on Eaeth Most scientists believe that there is no life on Mars as c____ there are very harsh Are there Martians on Mars ? What do you think?什么意思,用英语怎么回答 英语翻译：what are the main differences between lift on Mars and life on Earth?【急】顺便回答一下这个问题哈. Is there life on Mars(火星)?We do not know.We are sure that earth people like us cannot live on Mars.Earth people need oxygen（氧气）to breathe(呼吸),but there is almost no oxygen on Mars. Living on Mars is like living on a very high mountain This things were (c )on the earth,but they were (p ) expensive on the Mars最好有整一段的答案 live in Mars还是live on Mars 为什么 she doesn't believe are (a ) on Mars 怎么写笨 老师说是alien居然没人回答