,14. He a book, and now he needs a holiday. a. has been writing b. had been writingc. will be writing d. was writing2. The guide told us that an incident here in 1930. a. was taken place b. would take placec. had taken place d. has taken place?sun老师 我14 题选的A 2题选的C 望老师讲解下为什么这么做