Nowhere else in Europe ________ people who invite complete strangers to their homes for coffee or dinner.[ ]

All passengers must___________ the airport two hours before the departure time.

These are all good team sports and will help you ______ your strength and you will meet lots of people atthe same time.

下列各句中，加点的成语使用不恰当的一项是（ ）

On summer nights the weather is usually very hot. —Yes,so I often go to sleep ______ the windows ______.