这句话为什么不直接用because, 要用it's because?

Because it's Children's Day and it's fun!这句话怎么翻译 why don't you like math because it's boring .为什么because it's 用it's……because造句 She was playing herself because to them.这句话中为什么用because? 这句话哪里错了?Because it’s the basic for a leader to arrange human Because it's a busy but fun job.这句话怎么问 Don't cry because it is over,smile because it happend.这句话什么意 Because it was he,because it was mysely. 这句话的中文是什么 She did not marry him because she love him,这句话直接翻译是 她不嫁给他 因为 I don't like winter.Because it's too cold.中为什么用too I like it ,because it's nice . Because it can make me stronger.这句话对么?