.People have planted a great many trees in order to _____ wind and sand in the desert.
It’s said that there are plenty of hotels in that town. There ______ be any difficult for you to find somewhere to stay.
-Would you be here to attend the English party this evening? -Yes, we ______ .
I lived with my sister this summer and didn't have to pay rent. So I ______ save most of my salary.
A computer can only do ____ you have instructed it to do.
He asked ____ for a violin.