题目内容
【题目】I have already forgotten ______ you bought the computer.
A. that it was when
B. that was it when
C. when was it that
D. when it was that
【答案】D
【解析】考查特殊疑问句的强调句型。特殊疑问句的强调句型结构是疑问词+is/was+it+that/who+其他?由此可排除A项和B项;同时,由于此处的特殊疑问句做forgotten的宾语从句,所以应用陈述句语序,故答案选D。