问题
选择题
He ______ articles 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
答案
答案：A
由时间状语：these three years推出一直在做某事用现在完成时的进行时，后句对他写文章的总结，用现在完成时。