I. Answer the questions: 1) What are the symptoms of a cold?
2) How will a doctor examine a patient?
3) What types of medicine can doctors prescribe?
4) Where can people buy medicines?
5) When do people go to the dentist?
6) What problems with health do elderly people have?
7) What is one of the most serious diseases of the last century?
8) Do you often have a headache?
9) What medicine do you take?
10) Do you often have a fever?
11) What problems with health do you usually have?
12) Do you often go to the hospital?
2. The scientist is developing a new source of energy. The scientist was developing a new source of energy. The scientist will be developing a new source of energy.
3. The engineers are working at the problem of using solar power. The engineers were working at the problem of using solar power. The engineers will be working at the problem of using solar power.
4. The people are not using poor methods of research. The people were not using poor methods of research. The people will not be using poor methods of research.
5. The students are not having an interesting discussion. The students were not having an interesting discussion. The students will not be having an interesting discussion.
6. The sun is not shining brightly. The sun was not shining brightly. The sun will not be shining brightly.
7. The workers are complaining about unsafe working conditions. The workers were complaining about unsafe working conditions. The workers will be complaining about unsafe working conditions.
8. The government is trying to protect consumers. The government was trying to protect consumers. The government will be trying to protect consumers.