Question

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

Answer 1

A

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。