Woolgrowers and dingoes have usually defined the Fence only in____
________ (令学生失望的是), the books they needed were sold out at the bookstore.
我们无法想象在那个遥远的星球上存在什么东西。
It was after the failure of this attempt that he _________(诉诸武力).
Americans eat________(两倍多的蛋白质) they actually need every day.
they are found only in places where they can live 10 with the least effort.