There was no sign of -------(human)life on other planets unt

There was no sign of -------(human)life on other planets unt Is there life on the other planets? No one kows exactly_____(Is there life on other planets?)将括号 What will life consist of on other planets? found life on other planets yet 连词成句think/you/other/life/planets/on/is/do/there We haven't found life on other planets yet When I looked down there was no sign of the ship below.这句话怎样 1."There was not a single trail,no sign of civilization,and After two ——（小时）walk,there was still no sign of the village. they have already found life on other planets (改为一般疑问句) 尽量快点 We haven't found life on other planets yet.We haven't found