请简要说明理由
1.Life _______ a pig isn’t always perfect.
A.of B.with C.from D.to
2.After school he didn’t go home._______ he went to the Internet café.
A.But B.While C.Instead D.Instead of
3.In Japan the same gift may ________ to someone else.
A.give back B.give away C.be given back D.be given away