Complete the second sentence so that it has a smilar meaning to the first

I- Complete the second sentence so that it has a smilar meaning to the first.
1. Where is the nearest post office? 
$\Rightarrow$Could you.................................
2. Open the door, please?
$\Rightarrow$Will you....................................
3. Do you want me do drive?
$\Rightarrow$Shall................................