【推荐1】It is only when we get ill ______ we begin to realize how important it is to keep healthy. (用适当的词填空)

【推荐2】It was at the sports meeting ______________ his talent for running was acknowledged by his classmates. （用适当的单词填空）

【推荐3】单句语法填空
1. We need to come up with effective approaches to ____________ (fight) air pollution.
2. ---Take a cigarette, please.
---No, thanks. It is three years ___________ I smoked.
3. Having got the gift she wanted the most, she had no interest in opening the __________ (remain) gifts.
4. It was the last time that they _____________ (practice) the song as a group.
5. There are times ____________ we want to give up in face of difficulty.
6. Christmas is around the corner. However, I haven’t had any _________(arrange) yet. Do you have any idea?
7. The church roof was half _____(hide) by trees, so we didn’t see it at first.
8. China ________ (see) a sharp increase in the number of aged people over the past decade.
9. You can’t buy only one egg because eggs here are sold by _____ dozen.
10. It was in Osaka, Japan ______ the Chinese women’ volleyball team won China's fifth World Cup triumph.