–WhereisMother? –Sheisinthekitchen.She
问题详情：
–Where is Mother?
–She is in the kitchen. She ______ the housework all morning.
A. is doing B. was doing C. has done D. has been doing
【回答】
D
知识点：动词时态与语态
题型：选择题
问题详情：
–Where is Mother?
–She is in the kitchen. She ______ the housework all morning.
A. is doing B. was doing C. has done D. has been doing
【回答】
D
知识点：动词时态与语态
题型：选择题
