by sth.to sb.还是by sth.for sb.
by sth.to sb.还是by sth.for sb.
by sth for sb
by sth for sb.
sth to sb 还是 sth for sb
by sth ______ sb
bring sth to sb 还是for sb
express sth for sb 还是to sb
be praise by sb for sth
thank sb for sth 还是thank to sb for sth
oblige sb to do sth by force
是send sth to sb 还是send sth for sb
是offer sth. for sb.? 还是 offer sth. to sb.?