School children must be taught how to deal with dangerous ________ .

A. states          B. conditions                  C. situations                   D. positions

The journey around the world took the old sailor nine months, _____ the sailing time was 226 days.

 A. of which    B. during which    C. from which    D. for which

The Plains Indians believe in the Great Spirit who has power ______ all things including animals, trees, stones and clouds.

A．of          B．at       C．over       D．in

I saw a woman running toward me in the dark.Before I could recognize who she was，she had run back in the direction______ she had come.

A.of which    B.by which　　　C.in which    D.from which

You can't wear a blue jacket _____ that shirt — it'll look terrible.

 A. on               B. above          C. up         D. over

The cakes are delicious . He’d like have ______third one because _____second one is rather too small.  

A. a, a      B. the . the      C. a ,the    D. the ,a

On May 5,2005,at ___World Table Tennis Championship ,Kong Ling hui and WangHao won the gold medal in men’s with ____score of 4:1.

A. a ,a  B. / the C. a ,/  D. the ,a

In America, ______ car is ______ popular means of transportation.

A. the; a                      B. a; the                      C. the; the             D. the; /

In __________ review off 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of __________ heart disease by 76%. _______

A. a; the     B. the; a     C. a; 不填      D. 不填; a

When I called you this morning, nobody answered the phone. Where __________?

A. did you go B. have you gone

C. were you    D. had you been