1.He must have had an accident ,or ___ then.

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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!

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目标目的 A比B更合适,CD都不通
3 B 固定句型.说某人比某人大/小几岁的句型有:
A be X years older/younger than B
A be X years senior/junior to B
A be B's senior/junior by X years.

1.He must have had an accident ,or ___ then. He must have had an accident,or he _A_ then. He must have had an accident,or he____________ here then 7.He must have had an accident,or he ____ then. 23、 He must have had an accident,or he___ here then. He must have an accident,or he ( ) here then. he must have an accident,or he ()here then.应该填什么? he must have had an accident,or he should have been here the translate please :He must have had an accident,or he would h Tom had(have)an accident when he was walking home . _____he have had an accident 此处用MUST,还是用COULD?为什么 He had an accident yesterday.An accident ---him yesterday