1 She was so deep in thought that she didn't hear me knock on the door.
2 All the waiters in the restaurant were wearing clean uniforms.
3 Pizzas and hamburgers are types of junk food.
4 When John retires, he is planning to travel around the world.
5 Doctors help sick people.
6 Carol is on a strict diet.
7 The new manager worked hard to improve working conditions in the hotel.
8 Dianne has treated thousands of patients in Angola.
9 Suddenly the boat began rocking from side to side.
10 There was no one on the beach. It was deserted.
11 This hospital has high standards of health care.
12 Jim noticed dark clouds wich had gathered overhead.
