Large deposits of limestone and clay can be found in the northern reaches of the state of Washington. 2. Several colleges and universities in the United States are now requiring that their students purchase personal computers. 3. The use of mechanical refrigerators became widespread in the United States in the 1920s. Could we go out tomorrow night instead? I’d rather have a quiet evening in tonight. 4. Becky will fill you in on what happened at the last meeting. 5. You can lose yourself in a sea of identical hairstyles and thought styles. 6. You can lose yourself in a sea of identical hairstyles and thought styles.