Question

While I __________to the English programes, mother_______outside

1. A.
   listened; was washing
2. B.
   was listening;washed
3. C.
   was listening; was washing
4. D.
   listened; was washing

Answer 1

C
考查时态。While引导的句子通常用进行时态。句意：当我在听英语节目的时候，妈妈正在外面洗衣服。所以选C。