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
网友回答
(答案→)A. has been writing; has written
B. has been writing; wrote
C. is writing; has been writing
D. has written; has written
解析:由these three years可知应选现在完成进行时,表示“写”从过去一直延续至今,并有可能继续下去;“写了40 篇”用现在完成时,表示到现在为止已完成的动作。