Why hasn’t he come?________ on time, we would have to put off the trip.

We must treasure every minute because _____ time is _____ forever.

Do you think there will be robots in school —— .

下列句中加点的熟语，不能用括号中的四字格成语替换的一句是    （    ）

________ much advice you give him, he does exactly what he wants