问题
选择题
--- Where do you think ______ he ______ the computer?
--- Sorry. I have no idea.
A．has; bought
B．不填; bought
C．did; buy
D．不填; buys
答案
答案：B
Where do you think _____ he...?为双重疑问句，故第一空不填；第二空为过去发生的动作，故用一般过去时态。