When I worked as a waiter at a restaurant, I happened to {#blank#}1{#/blank#} before Christmas. I didn't open the wallet because __{#blank#}2{#/blank#}. I thought if it contained something valuable, the owner would return to ask for it. An hour later, a man came to ask if {#blank#}3{#/blank#}. After he described the wallet exactly, I gave him the wallet. Having learned that I hadn't checked the wallet, he opened it and showed nearly $800 in cash inside. He then gave me {#blank#}4{#/blank#} as a reward for my honesty. After that, I am wondering whether I would keep it if I knew what was in the wallet. However, I think the feeling of returning the wallet was worth {#blank#}5{#/blank#}.

Our club will have an {#blank#}1{#/blank#} on {#blank#}2{#/blank#}.

It is not a very {#blank#}3{#/blank#} meeting. We just share our {#blank#}4{#/blank#} about climate change. 

① 你是何时开始关注气候变化的？

{#blank#}1{#/blank#} did you {#blank#}2{#/blank#} paying attention to climate change?

② 你最初采取什么措施应对气候变化？

{#blank#}3{#/blank#} {#blank#}4{#/blank#} you originally do to handle climate change?

③ 青少年如何参与环保活动？

How can {#blank#}5{#/blank#} get involved in {#blank#}6{#/blank#} activities？