高中英语句型转换,急

问题描述:

高中英语句型转换,急
根据所给中文提示完成下列句子或句型转换.
1.找到了问题所在,公交车司机向乘客道歉,由于他让大家等了这么久.(名词从句)
Finding ___,the bus driver said sorry to the passengers for keeping them waiting so long.
2.直到废除奴隶制的时候,他才意识到黑人将得到切底的解放.(倒装句;liberate)
Not until the slavery was got rid of,________.
3._____(如果必要的话),she would write an essay about her experience for other students to follow.

第一题填 the culprit
第二题didhe realize that blacks will get cut bottom liberation
第三题If necessary