【单选题】A teacher showed students an example and explained the usage of past perfect tense, and asked students to list ten 'past perfect tense' sentences by imitating that example. What‘s the teacher‘ s gramm...
【简答题】Questions 1 to 10 are based on the following passage. (填大写字母即可) The elephant sanctuary in Hohenwald, Tennessee was built by Carol and Scott, who have seen enough abuse and 1 at circuses and zoos. It i...