按要求改写句子。;f(k(x3X-H(]
1．爸爸把妹妹搂在怀里。;f(k(x3X-H(]
改为“被”字句：2{,E+j-k:y+q,m/C8Y3|;f(k(x3X-H(]
2．爸爸从沉思中回过头来。;f(k(x3X-H(]
改为否定句：8`.~5i4W.T:T,Q8X;f(k(x3X-H(]
3．一位旅客正望着这些戈壁滩上的卫士出神。;f(k(x3X-H(]
改为双重否定句：6s6A8n:~.q5n0V4M,R)_;f(k(x3X-H(]