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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
A
由these three years可知應選現(xiàn)在完成進行時,表示“寫”從過去一直延續(xù)至今,并有可能繼續(xù)下去;“寫了40 篇”用現(xiàn)在完成時,表示到現(xiàn)在為止已完成的動作。
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