【推荐1】They ________ (正在看风景，突然) the ship began to sink. (根据汉语提示完成句子)

【推荐2】We just enjoyed talking together and __________ (看风景). (根据汉语提示完成句子)

【推荐2】Only when we learn to exist in harmony with nature can we ________ and to our planet. （根据句意填空）

【推荐3】我们突然想到，我们可以设立一个野生动物保护区来保护动物们不被猎杀。
It ________ us that we could set up a ________ ________ to protect animals from being ________.

【推荐2】我有什么理由坐在那儿什么都不做呢？我们都属于人类大家庭，我们都有责任心，关心彼此的幸福。
How could I justify sitting there and doing nothing? We are all humans and we all _________
to look after one another’s welfare.

【推荐3】The skin helps control your body temperature, prevents your body from losing to much water, warns you when things are too hot or too cold, and gives you your ________ ________ ________ (触觉). (根据汉语提示完成句子)