题目

It   to look after these naughty grandchildren of mine for a whole day. A. put me down         B. drove me out       C. wore me out D. pulled me through 答案：C1．蔡伦找到了造纸的新方法，然后人们开始用纸来制作风筝．Cai Lunfound a new way to make paper，and thenpeoplestarted to make kites with paper．