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更多“I can’t find the key __ the door. Maybe I lost it. ”相关问题
  • 第1题:

    --Your phone number again? I _______ quite catch it.

    A.don't

    B.can't

    C.couldn't

    D.didn't


    参考答案:D

  • 第2题:

    If any beasts comes at you, I()stay with you and help you.

    A、am going to

    B、will

    C、can


    正确答案:B

  • 第3题:

    If he had really been there, I ___________ have seen him

    A.will
    B.shall
    C.should
    D.can

    答案:C
    解析:
    考查应拟语气。根据if条件从句中的had really been there可知,这是与过去事实相反的虚拟语气.因此从句谓语动词用had+过去分词的形式,主句谓语动词用would/should/could/might+have+过去分词的形式。故C项正确。

  • 第4题:

    — Jane, I’m coming to say good-bye. I’m leaving tomorrow.\n— _______

    A.I’m sorry.

    B.Oh, no. Why?

    C.Go slowly.

    D.Why soon? Can’t you stay a few days longer?


    参考答案:D

  • 第5题:

    —You are confident about the job interview, aren’t you? —_____. I’m well prepared and feel I’ve got everything they need.

    A. suer, I am B. It’s hard to say

    C. I hope so D. Well, maybe


    正确答案:A

  • 第6题:

    分析下列程序的上界O和下界W。 for (i = 1; i < n; i++) key= a[i]; int j=i-1 while(j>=0 && a[j]>key ) a[j+1]=a[j] j- - a[j+1]=key 该程序时间复杂度的上界是O(____)、下界是W(_____)。


    n^4,n^4