下列哪个句子中的主语从句使用正确？
That he is late is surprising.
Is he late is surprising.
Late he is is surprising.
He is late is surprising.
在句子 'What she said was true.' 中，主语从句是什么？
What was true
What she said
was true
she said
下列哪个选项中的主语从句结构不正确？
He will come is uncertain.
That he will come is uncertain.
Whether he will come is uncertain.
在句子 'Whoever wins the race will get a prize.' 中，主语从句是什么？
wins the race
will get a prize
Whoever wins the race
Whoever will get a prize
以下哪些句子中包含主语从句？
What he said is true.
That he is late is surprising.
She asked if I could help.
I know that he is coming.
下列哪些选项是主语从句的正确形式？
It is obvious that he is lying.
He said that he would come.
Whether he will come is unknown.
When he arrives is not important.
在主语从句中，连接词 'that' 可以省略而不影响句子的完整性。
主语从句通常用来作为句子的主语，例如 'What he said is true.'
请将以下主语从句与它们对应的中文翻译进行匹配。
What he said was true.
他说的话是真的。
That she is late surprises everyone in the office.
她迟到了，这让办公室里的每个人都很惊讶。
Whether he will come depends on the weather.
他是否会来取决于天气。
Whoever comes first will get a free ticket
无论是谁先到，都会得到一张免费门票。
Whatever you do won't affect the final result.
你所做的一切都不会影响最终结果。