I have some problem _working out the prblem用介词 to,at,in,on填空,应选啥急
问题描述:
I have some problem _working out the prblem用介词 to,at,in,on填空,应选啥
急
答
I have some problem in working out the prblem.
答
in
固定搭配 have problem (in) doing sth. in可以省略
答
选in