1 serious~seriously
2 in~on
3 去掉a
4 去掉the
5 years后面加ago
6 that~which
7 breaths~breath
8 which~that 或者which前面加in或者直接去掉which
9 on~to
10 in~on
参考答案
1 ruins改为ruin 2 in改为on
3 a删去 4 the删去
5 years后加上ago 6 that改为which
7 breaths改为breath 8 which前加上in
9 on改为to 10 in改为on