—I called you at half past nine this morning, but there was no answer.
—Oh, sorry, I______ with my cousin in the supermarket.
- A.shop
- B.was shopping
- C.shopped
- D.will shop
答案
正确答案:B
知识点:过去进行时

九点半的时候应该正在购物,而且是过去正在进行的动作,所以选B。

过去进行时的用法掌握的不牢固。
