用所给词的适当形式填空。每词限用一次。
look, find, help, excuse, be
【小题1】______ her hat nice?
【小题2】Tom lost his book in the school. He must ______ it.
【小题3】______ me, Alice. Is this your pencil?
【小题4】______ at the picture! Who is the boy in it?
【小题5】Can you ______ me learn English?