问题详情:
While Xiao Ming his homework, his mother came with a cup of tea.( )
A.has doing B.had done C.is doing D.was doing
【回答】
D.
【分析】小明在做作业时,他妈妈端了一杯茶来.
【解答】根据While Xiao Ming his homework,可知while引导的句子使用进行时,从 came 判断是过去时,过去进行时的结构是主语+was/were doing.
【点评】本题考查过去进行时,要求学生掌握该时态的用法是解题的关键,再根据题干即可作出选择.
知识点:动词时态
题型:选择题