请把下列划线的从句用动词不定式来改写
1.he was sorry [ when he heard of your disappointment ]
2.it seems [ that it is ] successful
3.she asked [ if she might leave the room ]
4.the boys only laughed [ when they saw the little girl cry ]
5.don't promise that [ you will do it ] , if you are not sure that you can
6.they would be very surprised [ if they were to receive an invitation ]
7.she is happy [ that she has found such a nice place to live in ]
8.he hopes [ that he will manage ] to control it
9.he got to the top of the hill and was very disappointed [ when he found ] that some-one else had reached it first
10.i went to the bedroom [ but i found nobody there ]