1.他到过许多国家例如美国日本·
He has been to many countries,such as America,and Japan
2.还难道是度假的好地方?
Is this a good place for a holiday?
3今天晚上可能会下雨
It might rain tonight
4.格林先生现在写一本有关环境方面的书
Mr Green is writing a book about environment