英语中代替整个句子是不是用that?例：he may come or may not come .I am not too sure about that.
问题描述：
英语中代替整个句子是不是用that?例：he may come or may not come .I am not too sure about that.
he always goes to work late ,which makes his boss angry and disappointed.这里的which又是怎么回事？
答
which代指他工作晚了的原因从句