第1个回答 2011-05-01
被期望 be expected to +动词原形
被要求 be request to+动词原形
第2个回答 2011-05-01
be supposed to do
be commend to do
be askde to
be requested to do
第3个回答 2011-05-01
sb is cxpected（期望 更委婉） /required（要求 命令性更强） to do sth
最好别用asked...
第4个回答 2011-05-02
be supposed to
第5个回答 2011-05-02
be expected to
be asked to
be demanded to