Nowadays, teachers should give less homework to students in order to ______ the amount of pressure they have.

It was at the railway station we first met 16 years ago.

下列各句中加点的成语（熟语），使用不恰当的一项是

As a teacher, he has never given his students so difficult a problem ____ they can’t work out

Myparents _____ in Hong Kong. They were born there and have never lived anywhereelse.