So far, more than 1300 hotels in Europe, Africa, Middle East region have committed to _________ in the event, with many more ________ to join the effort.

I remembered _____ the door before I left the office, but forgot to turn off the lights.

The sale usually takes place outside the house ，with the audience on benches，______chairs or boxes。

.The poor condition of the Acropolis set the Greek government ______into consideration the preservation of it.

________ for several weeks，the city needed food.