这个包是真皮做的，不是合成材料。

This bag is made of ___real leather, not synthetic material.

那位著名歌手的签名是真的，不是伪造的。

The autograph from the famous singer is ___real, not a forgery.

他们送给我的玩具车不是真的；它只是个复制品。

The toy car they gifted me is not ___real; it's just a replica.