He ____ his home for a week.

        A.hasn’t left     B.has left    C.was left     D.had left

______could be judged from her eyes that she was  terribly sorry for what she ______.

A．It; had done    B．That；did   C．As；did   D．As；had done

     the two are only days apart in age，they seem to belong to wholly different generatioas.

  A While    B If    C As    D．Since

Mrs Smith was very ill.The doctor said she was ___ of death.

       A.at the edge    B.at edge    C.on edge    D.on the edge

They don't study in No 1 High School, ___ those boys.

        A.so do     B.so don't     C.neither study    D.nor do

(大连市高三双基测试卷) With the rapid development of medical science, we_______ more new drugs used in the treatment of cancer.

A. see                B. had se en             C. will be seeing       D. would see

据信，敌人已经过了那条河了。

It seems water ______ from this tap for some time. We’ll have to take it apart to put it right.    

 A. had leaked        B. is leaking        C. leaked       D. has been leaking

With more forests being destroyed, huge quantities of good earth ______ each year.

 A．is washing away                 B．is being washed away

 C．are washing away                D．are being washed away

—Are these your sheep ?

—No. Mine _____ on grass at the foot of the hill.

A. are feeding   B. feed          C. is fed         D. is feeding