---YoumayfindthekeytothemathsproblemonPage10 ---Ah,it...
来源：语文精选馆 7.1K
问题详情：
--- You may find the key to the maths problem on Page 10
--- Ah, it’s so simple. I wonder why I _____ of that
A. hadn’t thought B. haven’t thought C. didn’t think D. wouldn’t think
【回答】
C
知识点：动词时态与语态
题型：选择题
