郑州市高中英语必修三 Unit5TheValueofMoney 笔记重点大全

单选题

1、The letters were also beautifully illustrated—each ______ its true author, Tolkien, a long time to complete.

A．must have takenB．need have taken

C．could have takenD．might have taken

答案：A

考查情态动词。句意：这些信件也有精美的插图——每一封都要花费真正的作者托尔金很长时间才能完成。
must have done 肯定做过某事，表示对过去情况肯定地推测；need have done sth. 本需要做某事；
could have done sth.可能做了某事，本可能做某事；might have done sth.可能做了某事。根据前面的
“beautifully illustrated”可推知，这些信的插图非常精美，那么精美的插图“肯定”要花的很长时间来完成。因此，
该空表示非常有根据的推测。应该用情态动 ...