1.If you want to catch that train,we'd better go to the train station immediately
2.The great change in decade gave me the deepest impression when I visited shanghai
3.When the tea was introduced to Europe for the first time,most people thought it's some kind of medicine because of the bitter taste.
4.Dogs can do many things which are impossible even for human after being properly trained.
这种简单的题其实我不愿回答,只怕给不好好学习的孩子充当了枪手.建议大家以后不要回答类似的题目了