3. Some Western countries have very exciting carnivals, which take place forty days before Easter, usually in February. (必修3) 4. He lived in England and the USA but spent his last years in Switzerland, where he was buried in 1977. (必修4) 5. A woman, who had moved away from Broad Street, liked the water from the pump so much that she had it delivered to her house every day. (必修5)