来自何楚的问题
Lucy,couldIuseyourcomputer?Sorry,I'mgoingto_____now.A:workatitB:workitatC:workitonD:workonit(告诉语法啊)
Lucy,couldIuseyourcomputer?Sorry,I'mgoingto_____now.
A:workatitB:workitatC:workitonD:workonit(告诉语法啊)


Lucy,couldIuseyourcomputer?Sorry,I'mgoingto_____now.A:workatitB:workitatC:workitonD:workonit(告诉语法啊)
Lucy,couldIuseyourcomputer?Sorry,I'mgoingto_____now.
A:workatitB:workitatC:workitonD:workonit(告诉语法啊)
D:workonit
怎么解释呢,workon从事
没有workat这个短语啊