17、He made another wonderful discovery, ______ of great importance to science.

A. which I think is            B. which I think it is

C. which I think              D.I think which is

16、Was it through Mary,_____ was working at a high school, ____ you got to know Tom?

A.who; who                 B. that; which             C. who; that          D.who; which

15、 Every time Ashtita tries to break a record, he reaches a point ______ he feels he cannot physically do any more. .w.^w.k.&s.5*u.c.#om.高.考.资.源.网

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

14、She may have missed the train, _______ she won’t arrive for another hour.

A. in which            B. when              C. in which case            D. in that case  

13、       --Where did you find your wallet?

--It was in the shop ________ I bought the shirt.

A. that                  B. which               C. where               D. there

12、--Where did you see him for the first time?

-- It was in the factory _________ we worked.

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

11、It was in the lab______ was taken charge of by Professor Zhang ____ they did the experiment．

       A．where, that        B．which, where      C．that, where          D．which, that

10、In our ______,anyone ______ breaks the law should be punished．

       A．opinions;that        B．opinions;who       C．opinion;he           D．opinion;who

9、Cathy was a teacher from Newcastle,       is almost as far north as you can go.

       A．who                    B．which                 C．that                     D．where

8、The Olympic snowboarding event,        , was exciting．

       A．on which many people watched            B．where many people watched TV

       C．which many people watched on TV       D．where many people watched on TV