Helpyourselfwithsometeafirst.I'llgotocallmymum.She

问题详情：

 Help yourself with some tea first. I'll go to call my mum. She_________ clothes upstairs.

A. washes             B. is washing     C. will wash                    D. has washed

【回答】

B

知识点：动词时态

题型：选择题