问题
选择题
--When your mother you that computer?
---Oh, I have forgotten.
A．does,buy
B．has, bought
C．has,had
D．did,buy
答案
答案：D
题目分析：句意：你妈妈什么时间给你买的电脑？询问过去的时间，故用过去时态，故选D。
搜题请搜索小程序“爱下问搜题”
--When your mother you that computer?
---Oh, I have forgotten.
A．does,buy
B．has, bought
C．has,had
D．did,buy
答案：D
题目分析：句意：你妈妈什么时间给你买的电脑？询问过去的时间，故用过去时态，故选D。