So ________that no fish can live in it.

    A. the lake is shallow                   B. shallow the lake is

    C. shallow is the lake                   D. is the lake shallow

 So  _____ that all the living things died out gradually .

       A．serious polluted the lake is     B．serious polluted is the lake

       C．seriously polluted the lake is D．seriously polluted is the lake

So        that even the students in the next classroom could hear his argument with somebody.

So______ that most parents are too worried to let their kids travel alone at the beginning of the new term.

A. is the distance great                          B. great the distance is

C. the distance is great                            D. great is the distance

So _______that in spite of the rare disease, he managed to live as rich and full a life as we do.

A. optimistic and determined was Marty

B. was Marty optimistic and determined

C. Marty was optimistic and determined

D. optimistic and determined Marty was