1.The Whites were very poor at that time and ___ send their children to school.
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
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
英語人氣：368 ℃時(shí)間：2020-02-06 06:57:12
優(yōu)質(zhì)解答
1.第一題：C.本題考察be able to 和can 的區(qū)別.二者都有“能、會(huì)”的意思.在一般現(xiàn)在時(shí)和一般過去時(shí)中二者可以互換.但前者還可用于將來時(shí)和完成時(shí)中.本題從were來判斷,應(yīng)該用一般過去時(shí).所以排除A、C.二者不能同時(shí)連...
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