I was trying my best to finish my work when my sister was whtching TV 这句话有语法错误吗?
问题描述:
I was trying my best to finish my work when my sister was whtching TV 这句话有语法错误吗?
答
when 应该改成while
答
when改while
答
这里主要强调两件事情的同时发生,用while 比when更好.