用所给单词的适当形式填空
【小题1】The tour pals（驴友）got _____ (lose ) in the forest.
【小题2】The Greens are _______(plan) to take a trip to Europe.
【小题3】The football players’ ______(wife) come to cheer their husbands.
【小题4】Do you hear anyone _____ (play) the piano in the next room？
【小题5】Mozart ______ (be) able to play the piano at the age of three.