完成句子。
1. 最富有生氣而又最重要的日子,就是告別冬天,迎來春天的日子.
The most ______ and important festivals are the ______ that _______ the end of winter and
the ______ spring.
2. 一路向東行,你會經(jīng)過一座座山脈,上千個湖泊、森林,還有寬闊河流和許多大城市.
______, you will pass mountains and ________lakes and forest, _______wide rivers and large cities.
3. 他的眼睛盯著桌子上兄弟倆剩下的殘羹剩飯.
His eyes stare at _____ on the table.
4. 水對于生命的發(fā)展會起關(guān)鍵作用,這一點在當時并不明顯.
______ water _______ fundamental to the development of life.