Security cameras are restricted to ________ spaces，such as hallways and exits.There will be no cameras in classrooms，locker rooms(更衣室)or bathrooms.

—Jenny is always _______ for appointments. Why is she late today?—She might have got trapped in a traffic jam in the rush hour.

— The weather isn’t good enough for an outing, is it? — Not in the least. We can’t have __________ at this time of the year.

Tired of the president’s _______ speech, the people _____ at the back began to play with their mobile phone.

I haven’t got ____ nails to mend the cupboard. I need another three.