来自万保平的问题
Sometimeshehelpshisstudentsw()Englishinhisoffice.
Sometimeshehelpshisstudentsw()Englishinhisoffice.


Sometimeshehelpshisstudentsw()Englishinhisoffice.
Sometimeshehelpshisstudentsw()Englishinhisoffice.
with
helpsbwithsth在某方面帮助某人