【推荐1】I often thought of my childhood__________I lived on a farm. (用适当的单词填空)

【推荐2】I can well remember that there was a time ________ a deep blue sky, the song of the birds, moonlight and flowers could never have kept me spellbound. （用适当的词填空）

【推荐3】用适当的关系副词填空
1. Somehow they manage to travel around 4,000 kilometres south and find their way to places __________ they will spend the winter．
2. The solution to the mystery of the monarch’s amazing ability comes at a time __________ it is in serious trouble．
3. Unfortunately, human activity is the main reason __________ the monarch numbers are falling．
4. Two giant pandas from China were welcomed to the Chinese-style compound _________ they were to live．
5. On 30th May, after the preparations were complete, the day finally came __________ the pandas met their fans for the first time．
6. People were excited—the zoo is the only place in the country __________ it is possible to see pandas．
7. The main reason __________ people were so excited is that pandas are just so cute！
8. In the evening __________ the sun sets, we go out and sit on the balcony __________ we can watch lots of different animals come down to drink at the waterhole．