1.The Whites were very poor at that time and ___ send their children to school.A.are not able to B.could not be able toC.cannot D.could not2.The train ___when they ___ to the railway station.A.left,had got B.left,gotC.had left,had got D.had left,got
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1.The Whites were very poor at that time and ___ send their children to school.A.are not able to B.could not be able toC.cannot D.could not2.The train ___when they ___ to the railway station.A.left,had got B.left,gotC.had left,had got D.had left,got
1.The Whites were very poor at that time and ___ send their children to school.
A.are not able to B.could not be able to
C.cannot D.could not
2.The train ___when they ___ to the railway station.
A.left,had got B.left,got
C.had left,had got D.had left,got
1.The Whites were very poor at that time and ___ send their children to school.A.are not able to B.could not be able toC.cannot D.could not2.The train ___when they ___ to the railway station.A.left,had got B.left,gotC.had left,had got D.had left,got
1.第一题:C.本题考察be able to 和can 的区别.二者都有“能、会”的意思.在一般现在时和一般过去时中二者可以互换.但前者还可用于将来时和完成时中.本题从were来判断,应该用一般过去时.所以排除A、C.二者不能同时连用,故不选B.
2.第二题:D.本题考察一般过去时和过去完成时.过去完成时表示“过去的过去”,此题when引导的时间状语从句,从句动作got发生于过去,主句应用过去的过去,即现在完成时.