【简答题】仔细阅读对话,完成后面的练习。 Amy: Where are you going on your holiday? Sarah: I'm going to visit Xinjiang. Amy: Who are you going with? Sarah: I'm going with my father, my mother and my brother, Tom. Amy: ________...
【简答题】阅读短文,并完成后面的任务。 ①_____ THE Earth is about 4600 million years old. Many of the things that we have done are good, but many more are not good for the Earth. Pollution is ②(地球上的一种严重问题). In big cities cars...