— 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?
正确答案是C
— 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?
正确答案是C