The book __ by him is difficult __.

  A. wrote; understanding         B. written; to be understood

  C. writing; understand         D. written; to understand

Time________, I can have done it better.

A. permit              B. be permitted            C. permitting               D. to permit

As a boy, he was_______ hard all day long.

　　A.made to work    B.to make working       C.made working    D.to make work

There is a big dog_______to a fence outside the house.

　　A.tying   B.tied            C.to tie   D.ties

.When I came in, I saw Dr. Li　_______ a patient.

　A. examine　　　        B. examining　　　        C. to examine　　　        D. examined

.The wallet _______ several days ago was found _______ in the dustbin outside the building.

A. stolen, hidden　 B. stealing, hiding　       C. stealing, hidden　 D. stolen, hiding

Here are some new computer programs _______ for home buildings.

　A. designing　　　        B. design　　　               C. designed　　　        D. to design

Most of our classmates are      taking a trip to Kenting National Park.

A. in honor of B. in favor of        C. in search of      D. in place of

. His strength had almost   when they found him in the desert.

A. given out             B. given in          C. given up           D. given off

Old memories are often ____ when you hear a particular song or a piece of music.

A. called in                     B. called on       C. called out                 D. called up