1.He must have had an accident ,or ___ then.
问题描述：
1.He must have had an accident ,or ___ then.
A.would have been here
B.had to be here
C.should be here
D.would be here
2.He walked in the street without ____ to buy anything .
A.intention B.purpose C.heart D.thought
3.The scientist is several years junior ___ Mr.Smith.
A.than B.to C.for D.on
请翻译,并解析为什么!
答
1 A 后面那句用虚拟语气,对过去的动作虚拟,相当于if引导的状语从句中的主句时态变化:"他肯定是出事故了,否则他那时早就该在这儿了"2 A 固定搭配:"他在街上漫步,根本就没有购物的打算" intention目的意图打算 purpose...