试题详情
语法填空-单句语填 适中0.65 引用1 组卷116
If I ________(know) about this computer program, a huge amount of time and energy would have been saved.(所给词的适当形式填空)
2022高三上·全国·专题练习
知识点:know与过去事实相反的假设 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!