A.to send B.to send to C.to send it to D.to send to it 为什么要+
A.to send B.to send to C.to send it to D.to send to it 为什么要+it 要+to?
This is not my parcel.Mr.Smith is the right person ________.
A.to send B.to send to C.to send it to D.to send to it
为什么要+it 要+to?