1. This year, our goal is to conduct research into the causes of obesity. (CONDUCTING) $\rightarrow$ This year, we are conducting research into the causes of obesity. 2. How long did it take them to collect the food for the food-bank? (SPEND) $\rightarrow$ How long did they spend collecting the food for the food-bank? 3. It's a good idea to send a letter to the mayor to find ways to help the poor in our city. (WORTH) →It's worth sending a letter to the mayor to find ways to help the poor in our city. 4. Sam didn't find it difficult to find people to cook at the community kitchen. $\rightarrow$ Sam didn't have difficulty finding people to cook at the community kitchen. 5. Gill and Kate can't wait to go on the march against racism this weekend. $\rightarrow$ Gill and Kate are looking forward to going on the march against racism this weekend. 6. Ben had a break and then continued preparing his speech on equal opportunities. $\rightarrow$ Ben carried on preparing his speech on equal opportunities after having a break. 7. Could you help Sarah collect food donations this evening?(HELPING) $\rightarrow$ Would you mind helping Sarah collect food donations this evening? 8. I hate it when people throw away old clothes instead of giving them to charity. (THROWING) $\rightarrow$ I can't stand people throwing away old clothes instead of giving them to charity. 9. I'm sorry I wasn't available to open the shelter yesterday. (NOT) $\rightarrow$ I regret not being available to open the shelter yesterday. 10. "Let's donate money to help fight diseases in poor countries," Mia says. $\rightarrow$ Mia suggests donating money to help fight diseases in poor countries. Nếu bạn cần thêm sự giúp đỡ hoặc có bất kỳ câu hỏi nào khác, đừng ngần ngại để lại cho tôi biết!