来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/18 00:00:44
英语小问题 请写出选择原因
sometimes children have trouble ----fact from fiction and may believe that such things actually exist
a to separate
b for seperating
c separating
d of separating
c
have trouble (in) doing sth
固定搭配
In可以省略