根据句意，用括号中所给单词的正确形式填空.
【小题1】Come and see. Here ____(be) some nice bags.
【小题2】More than two ____(hundred) trees are planted in our neighborhood every year.
【小题3】I'm looking forward to ____(visit) the Great Wall.
【小题4】Mary can ____(sing) many English songs.
【小题5】Tom, please be ____(care)with your mobile phone. Don't lose it again.