【推荐3】Having   ______________________, he cared for nature more than before. So he started to study ecology. 经历了地震, 他比以前更关心大自然了。于是他开始研究生态学。（根据汉语意思完成句子）

【推荐3】等到Jack从英格兰回来的时候，他的儿子已经大学毕业了。
By the time Jack returned home from England, his son _____ _____ _____ college.

【推荐1】根据汉语翻译句子。
1. ________________ a glass of water after meal.
我饭后习惯喝一杯水。
2. ________________________, we have English Talent Show today.
我们的英语才艺展示今天如期举行。
3. __________________________________________ every day.
每天读些英语是有必要的。
4. The little boy saved every coin ___________________ on Mother’s day.
小男孩省下每一分钱，目的是在母亲节的时候为他的妈妈买一份礼物。
5. We don’t know______________________________
我们不知道他是否会来。
6. Her unexpected arrival _______________________________.
她的突然来访把我们所有的计划全打乱了。
7. He ______________________ to swim across the river.
他接受朋友提出的挑战，游过这条河。
8. I ________________________ some sports than stay at home.
我宁愿做一些运动而不愿在家待着。

【推荐3】根据提示将下列英语句子进行改写
1. If we don’t take some measures, they will be in danger of dying out.
→If ____________________________, they will be in danger of dying out.（被动语态）
2. Animals which are living in safe environments are more likely to survive.
→Animals __________________________ are more likely to survive.（现在分词作后置定语）
3. The animals there are lovely, but the number of them is said to be decreasing year by year.
→The animals there are lovely, but ___________________ the number of them is decreasing year by year.（宾语从句）
→The animals there are lovely, but __________________ the number of them is decreasing year by year.（主语从句）