I don’t know ____ that you stay here

.The company has changed some of its workingpractices__________complaints and criticism from the customers.

You had better book rooms at the hotel in advance_____you should find no room on your arrival.

Experts say walking is one of the best waysfor a person to _____ healthy.

How do you find the match between Spain and Switzerland?—It’s ！ Powerful Spain lost the game by 0∶1.