they are found only in places where they can live 10 with the least effort.
______(正如我们所期待的那样), the program went smoothly.
It was after the failure of this attempt that he _________(诉诸武力).
父母没有预料到孩子的问题这样难回答。
Americans eat________(两倍多的蛋白质) they actually need every day.
我们无法想象在那个遥远的星球上存在什么东西。