题目内容
完成句子
We want ________ to help paint the house．(我们想要几个自愿帮助油漆房屋的人。)
We are all ________ ________(担心)her safety．
We need to find a ________（替代者）for Sue.
We should learn the _________(现用的)language．
We’ll help you ________(出于对你父母着想)。
