Ellen was a painter of birds and of nature，________，for some reason，had withdrawn from all human society.(2012·浙江，17)

He_____ articles for our wall-newspaper these years,and he____ about thirty articles.

Was your cousin born _______ the evening _______ 31st of January—Yes!

However much you have done, you ought tothe help you’ve received from others.

Only after her mother came to help her for the first few months _____ to begin her project