《《《《《对错句,找出哪句是对的.》》》》》》

《《《《《对错句,找出哪句是对的.》》》》》》
There's coming a time in all our lives when we must become responsible.
There come a time in all our lives when we must become responsible.
There comes a time in all our lives when we must become responsible.
We'll have been driving for 10 hours by the time we get there.
We'll be driving for 10 hours by the time we get there.
We've been driving for 10 hours by the time we get there.