什么是宾语?All (that)you have to do is to press the button.中的that

All ____ you have to do is to press the button.填 What 还是that 例句：All you have to do is (to) press the button.若主语有个实意动词do用作 all you have (to do) is to press the button.能不能详细解释下为什么填to d 一道英语填空题的讲解all that you have to do is ________ the floor afte All that we have to do is to practise everyday.能否将that改为what 没搞懂得英语句子it is easy to say that all you have to do now is wor press the red button to be liked Do you have a key, that is the key to unlock my heart.是什么意思? 请问I have read all the books that you lent me.这里that作从句中的宾语 可 all you have to do is cry is that the radio which you want to have repaired. I don't know __ to do next?It's easy.Press the red button in