是sing sth.to sb.还是sing sth.for sb.
是sing sth.to sb.还是sing sth.for sb.
sth to sb 还是 sth for sb
是send sth to sb 还是send sth for sb
是offer sth. for sb.? 还是 offer sth. to sb.?
是leave sth.to sb.还是leave sth.for sb.
是feed sth to sb还是feed sth for sb?
是offer sth.for sb.还是 offer sth.to sb.
是offer sth.for sb.还是 offer sth.to sb
是make sth to sb还是make sth for sb?
bring sth to sb 还是for sb
express sth for sb 还是to sb
thank sb for sth 还是thank to sb for sth