九年级英语句型转换1 Tom did't come to school because he had a headach

九年级英语句型转换
1 Tom did't come to school because he had a headache.(同义句转化)
Tom did't come to school —— —— his headache.
2 The building is 400 metres high.(同义句转化)
The building is 400 metres___ ____.
3 He said he would run as quickly as possible.(同义句转化)
He said he would run as quickly as___ ____.
4 He was so careless that he failed in the math exam.(改为同义句)
He was—— careless——— —— the math exam.
5.You are kind because you can help me with my English.(改为同义句)
____ is very kind____ you_____ _____ me with my English.