Ⅰ. 根据句意和首字母提示，用本单元所学单词填空。
1. The f is more serious than a cold. We should get enough rest and drink a lot of water.
2. Don't worry! You may be better after taking the m.
3. —What do you think of your Art teacher?
—She is p with her students. She is always there to help them.
4. Please wear a m when you go to public places such as supermarkets.
5. Drinking enough water can help our bodies fight against the v.

Ⅰ.1. flu 2. medicine 3. patient 4. mask 5. virus

Ⅱ. 用括号内所给词的适当形式填空。
1. My friend told me to take a (sit) on the sofa when she made tea.
2. You should take (you) temperature first if you have a headache.
3. The heavy rain stopped us from (go) out for a picnic yesterday.
4. Yesterday the tour guide gave us a clear (describe)of the old building's history in the museum.
5. We should eat healthy food to prevent (ill) in winter. It's good for our health.

Ⅱ.1. seat 2. your 3. going 4. description 5. illness/illnesses

Ⅲ. 根据下面的对话内容，在空白处填上一个适当的句子，使对话的意思连贯、完整。
Doctor: Take a seat, Mary. How are you feeling?
Mary: 1. I have a runny nose and a fever.
Doctor: 2. Oh, it's quite a high temperature.
Mary: Yes, it started yesterday. I felt so cold. Now my throat hurts too.
Doctor: You need to take a test. It's flu season, you know.
Mary: Yeah, I know. 3.
Doctor: You should take some medicine and drink enough water.
Mary: OK. 4.
Doctor: No, you can't go to school tomorrow. You should rest at home.
Mary: Yes, I see.
Doctor: When you are outside, please wear a mask. I hope you will get better soon.
Mary: 5.
Doctor: My pleasure.

Ⅲ.1. I don't feel well. / I feel terrible. / Not good.
2. Let me take your temperature.
3. What should I do?
4. Can I go to school tomorrow?
5. Thank you a lot.