Some Chinese students find it difficult to understand native speakers when in London．—Exactly, they’ve learned a lot about grammar and known many words

Mrs. White found her husband surrounded by letters andpapers and ______very worried.

He had a lot of friends, only a few of ______ invited to his wedding

The Internet connection for the entire area _________ when there was a sudden power cut yesterday

_______ never to come back again, thegirl left the poor village without saying goodbye.