用back,in,off,on,with,up填空

用back,in,off,on,with,up填空
1,the twins have been in china for three years.they get on quite well______their
chinese friends
2,li lei helped the old woman get___the bus and said,"don't get ______until the
bus stops at the end of the road"
3,mary got_______too late to have breakfast.she felt hungry at school
4,mr white stopped at a food shop,went______and bought two kilos of eggs
5,kate passed the message on to jim as soon as he got_______