Mother went shopping; ______, I cleaned the house.A．whileB．whenC．and whenD．meanwhile

问题描述：

Mother went shopping; ______, I cleaned the house.

A．while

B．when

C．and when

D．meanwhile

考点提示：副词,副词的比较级,疑问副词,连接副词

最佳答案：

meanwhile是一个副词，作“同时”解，meanwhile还可以用作名词，构成短语in the meanwhile与此同时；在此期间。例如：　①The train isn’t away for an hour; meanwhile, I am going to take a nap. 列车要过一小时才会发车。在这段时间里，我想去小睡一会儿。②Jack ran for a doctor；meanwhile we stayed with the patient。杰克跑去找医生，同时我们和病人呆在一起。