将下列句子合并成宾语从句,在空格上填入合适的连接词(每空一词)
She is ill. She doesn’t know ...
She doesn’t know ____ she is ill.
答案
that
知识点:宾语从句

She is ill.为陈述句,充当宾语从句时,连接词要用that,也可以省略。本题要求填入合适的连接词,所以答案为that。

略
