英语：用独立主格结构改写下列句子的括号部分,并保持愿意不变
1.The girl left the office (and there were tears in her eyes.)
The girl left the office ,.
2.The thief was brought to the police station (and his hands were tied to the back.)
The thief was brought to the police station ,.
3.(Since all the difficult problems were srttled,) he felt a great weight taken off his mind.
,he felt a great weight taken off his mind.
4.(Since all flights had been cancelled because of the snowstrom,) many passengers could do nothing but take the train.
,many passengers could do nothing but take the train.
5.The soldier entered the room (and his nose was red with cold.)
The soldier entered the room ,.
6.The children went home from the grammar school (after their lessons were finished for the day.)
The children went home from the grammar school ,.