题目 编号:202926

The book was written in 1946, ________ the education system has witnessed great changes.",

A. when

B.during which

C. since then

D. since when

答案及解析

答案

D

解析

since when = since 1946,此处用since来连接两个句子,主句要用现在完成时态。

举一反三

举一反三 根据好学网知识点分析,相似的试题还有:
  • The old lady, ____ had been killed in the war, was given help by the local gove ment.",

    A.all her children
    B.whose all children
    C.all of her children
    D.all of whose children
  • _____ I soon lea t, he was English himself.",

    A.What
    B.As
    C.Which
    D.That
  • The road conditions there tu ed out to be very good, ____ was more than we could expect.",

    A.it
    B.what
    C.which
    D.that