1、It is necessary that he _______ the task by the end of next week
A.fulfill
B.will fulfill
C.will have fulfilled
D.fulfills
2、Sales of CDs have greatly increased since the early 1990s, when people _______ to enjoy the advantages of this new technology
A.begin
B.began
C.have begun
D.had begun
3、The old man _______ since he came into the hospital
A.has taken good care of
B.has been taken good care
C.has taken good care
D.has been taken good care of
4、It is reported _______ great changes have been made with the application of the new policy
A.which
B.that
C.while
D.what
免责声明:本站所提供试题均来源于网友提供或网络搜集,由本站编辑整理,仅供个人研究、交流学习使用,不涉及商业盈利目的。如涉及版权问题,请联系本站管理员予以更改或删除。