Someone help him please or else he's gonna come undone

Someone help him please or else he's gonna come undone Please come and help him.he is in________(dangerous) Please come and help him.he is in_______(dangerous) can someone else come to help me out?come to tell him to look at someone else`s paper.请问else`s什么意思? someone else car/someone else's car someone else someone else' someone's else someone else's的区别 he asked if ()could help him填anyone还是someone 是someone's else对还是someone else's对? 英语连词 1.you,someone,to,do,you,else,want,help 2.that,seen,he,e please remember ( )[tell] him about it when he ( )[come] bac everyone's else or everyone else's?