句型转换。 1. Chinese people invented the abacus in the sixth century. (改为被动语态) The abacus in the sixth century by Chinese people. 2. I don't like the movie. The movie is very boring. (合并为含有定语从句的复合句) I don't like the movie very boring. 3. I used to have long curly hair. (改为一般疑问句) __________ you __________ to have long curly hair? 4. Few people understood what he said at the meeting. (改为反义疑问句) Few people understood what he said at the meeting, __________ __________? 5. Mr. King is too busy to go to the concert. (改为同义句) Mr. King is ___________ busy ___________ he can't go to the concert.