I’m afraid I haven’t got a very good ________ of direction. I always get lost in the city.

She has waited for the guest for two hours and reached the ________ of her patience.

What’s the _____ of having a public open space where you can’t eat, drink or even simply hang out for a while? 

I bought a sweater for only 50 yuan yesterday; it was a real        .

He is ______ as a leader but he hasn't ______ in teaching.