Question

Simon______ his fingers when he was cook?ing the dinner.

1. A.
   burnt
2. B.
   was burning
3. C.
   has burnt
4. D.
   had burnt

Answer 1

A
考查时态。句意“西蒙在做晚饭时烧到了手指。”过去发生的动作用一般过去时。When引导的从句用过去进行时，主句用过去时，表示“正在做某事时，突然发生另一件事”。故选A。