题目内容
（2010·重庆模拟）—Alice, you look puzzled．Haven’t you understood it?
—Yes．I _____of another problem just now．
A．had thought B．have thought C．thought D．was thinking
【答案】
D
【解析】略
练习册系列答案
相关题目
（2010·重庆模拟）By looking at a problem in as many ways as possible, creative thinkers can find solutions that would _______ remain invisible．
A．otherwise B．yet C．already D．forever
（2010·重庆模拟）—Alice, you look puzzled．Haven’t you understood it?
—Yes．I _____of another problem just now．
| A．had thought | B．have thought | C．thought | D．was thinking |