语法填空
Most American businesses are open five days a week. American school children attend school five days a week as well. American families ____ (usual) have a two-day weekend. The weekend is Saturday ____ Sunday.
Over the weekend, people spend their time ____ (do) various things. Many families enjoy weekend together. They may go shopping, go for a drive, or visit friends. They may also send ____ (invite) friends and have a party at home. Weekends are also good chances to take trips, ____ are usually short ones. They will go to the nearby mountains, parks, lakes or other ____ (interest)places to relax them. Some even go camping and picnicking there.
Many families participate ____ sports during the weekend. Running, biking, playing volleyball and swimming are popular in the summer. Skiing and skating are the favorite winter ____ (sport).
Weekends are also a time for American families ____ (work) on something in their yards or on their houses. Many families plant flowers and have vegetable gardens. So weekends ____ (use) to paint or repair their houses. For most Americans, weekends are very busy.