下列句子中的加点词，和例句中的加点词意义相同的一项是（　　）例：逝者如斯夫

_____should not be allowed to go out at night.

Persons under18 not be employed in night work in the United States.

It _____ my daughter half an hour _______ her homework last night.

The Dragon Boat Festival is coming. I’m going to give a talk about it to the exchange students.—Great! But don’t forget to tell them _________.