UNIT 3: COMMUNITY SERVICE 1. He has had a cold for two days.(ago) 2. It rained yesterday, so I stayed home. (because) 3. The last time I did volunteer work was a month ago. (for) 4. How long have you been a member of Be a Buddy? (join) 5. This is the first time he has been to SaPa. (before) 6. They have live here for ten years. (ago)
