I ______ my university professor in the supermarket near my house, which was out of my expectation.

A. came out           B. came across        C. came about  D. came along

 The plan has to be _______ to meet the real situation.

A. adjusted            B. adapted          C. produced      D. refounded

 Students are encouraged to _________ the design competition for robots at the university.

A. take part            B. operate          C. join to      D. participate in

 He was generally _________ to be the finest poet in the land.

A. received       B. regarded        C. seen         D. acknowledged

 Mr King, _____ legs were badly hurt, was quickly taken to hospital.

     A. who                   B. that      C. whom                D. whose

 I was about to go to bed _____ one of my old classmates made a call to me.

A. when             B. as          C. while       D. that

 With the guide _______ the way, we finally got to the village which we were looking for

A. led           B. leading         C. to lead        D. had led

 _____ was expected, he failed in the exam.

     A. That                     B. As     C. Which           D. It

 We travelled together as far as Chicago, _____ we said goodbye to each other.

     A. which               B. when   C. why             D. where

 China has hundreds of islands, _____ is Taiwan.

    A. the largest of which          B. of which largest 

C. which the largest         D. in which the largest