1.Li Ping needn't be worried about his trip.(个人认为“不必担心”用needn‘t比较好)
2.The news is exciting.I am excited about the news.
3.I think the tickets don't cost so much(cost,花费)
1.Li Ping needn't be worried about his trip.(个人认为“不必担心”用needn‘t比较好)
2.The news is exciting.I am excited about the news.
3.I think the tickets don't cost so much(cost,花费)