Hearticles for our wall-newspaper these three years, and he about forty articles.
（A）has been writing； has written
（B）has been writing； wrote
（C）is writing； has been writing
（D）has written； has written
参考答案
继续答题：下一题
（A）has been writing； has written
（B）has been writing； wrote
（C）is writing； has been writing
（D）has written； has written
