they have already found life on other planets (改为一般疑问句) 尽量快点回答____ they found _____ life on other planets ______?The light travels for many years to reach us (改为同义句)It _____ the light many years ____ ____ us.
问题描述：
they have already found life on other planets (改为一般疑问句) 尽量快点回答
____ they found _____ life on other planets ______?
The light travels for many years to reach us (改为同义句)
It _____ the light many years ____ ____ us.
答
Have any ,yet
it takes the light many years to travel to reach us.