2个高一英语改错题

题目

2个高一英语改错题
1 Until recently i learend advanced maths all by myself\
2 In winter some wam-blooded animals can keep up their common temperature

答案

1.改正：Not until recently did I learn advanced maths all by myself.或：Until recently I didn't learn advanced maths all by myself.此题从句意来看,应该是使用“not...until...”句型.另外,如果把not until...