- Did you know that David injured his leg yesterday?- Really?
（A）Who did that?
（B）What's wrong with him?
（C）How did that happen?
（D）Why was he so careless?
参考答案
继续答题：下一题
（A）Who did that?
（B）What's wrong with him?
（C）How did that happen?
（D）Why was he so careless?
