The number of people invited _____fifty, but a number of them _____absent for different reasons. [ ]

We are _______ tired to go any ____________. Let’s stop to have a rest.

The tall building ____________ in the center of thisarea will be used as a 5-star hotel

The child asked his mother _______ go out to play tennis.

More and more high-rise buildings have been built in big cities________ space