《Pollution has caused too many problems》SectionB PPT
《Pollution has caused too many problems》SectionB PPT第5页

a. Not yet. b. I’ve been like this since last week. C. It’s difficult for me to breathe. d. Oh, yes.

1b A. Listen to 1a and check the questions you hear. Question Answer 1. What’s wrong with you? _____ 2. How long have you been like this? _____ 3. Where have you been? _____ 4. Have you seen a doctor? _____ 5. Have you noticed the dead fish in the river? _____