题目内容：

1.-Where do you think________he_______the computer?
-Sorry,I have no idea.A.had ; bought B.has ; bought C.did; buy D./; bought

优质解答

Ddo you think ...后面跟的一个宾语从句,提问时要将宾语从句的特殊疑问词提到句首,因此可以这么看这个句子：where () he () the computer?即他在哪里买的电脑?原本应该是did / buy,但宾语从句规定从句的语序要用正常...