为你解答. 4、Did you do anything for your own safety? 5、heard from 6、was able to draw 7、without air or water 8、What could you do when you were young? 9、put out, with 10、by himself 11、It is, to be careful 12、What great fun, to play 再问: 再答: 1、C 2、C 3、D 4、D 5、A 6、B 7、C 8、B 再问: