"Check that the person can breathe." 本句中的that是否可以换成if或whethe

"Check that the person can breathe." 本句中的that是否可以换成if或whethe Check that the person can breathe.可否改为: Check whether the pe B is for breathing.We should ( )that the person can breathe. listen and check the noodles that the person orders.中的that t listen and check the noodles that the person orders. listen and check the noodies that the person orders 英语翻译原句为 which means that the writer of the check can cam int i like the music that i can dance to.that 可以换成which 为什么? 求翻译 i just wonder that if the person who i love can remember 在英语句子中的At that time可以换成that time么?（句尾） 英语翻译If a person’s actions are completelydetermined,can that 求分析此句中的that是否可以省略?