读一读,把最合适的答句的序号填在问句后的括号里.1:Where is your seat?( )

读一读,把最合适的答句的序号填在问句后的括号里.1:Where is your seat?( )
2:Nice to meet you.( )3:What can you see?4:Where are my books?5:What's in your bag?A:I can see a ruler.B:Five books.C:They're on the desk.D:Nice to meet you,too.E:It's near the door.