Question

— Why didn’t you come to play football with us yesterday afternoon?
— I ________ my mother with the housework then.

A．was helping

B．helped

C．had helped

D．have been helping

Answer 1

A

试题分析：句意：昨天下午你为什么不来和我们一起踢足球呢？那时我在帮我妈妈做家务。根据then及情景可知该用过去进行时，所以选A。