A driver should         __ the road when           .

A. concentrate on; drive  B. concentrate in; driving  C. concentrate to; drove  D. concentrate on; driving

 _________ in a friendly way, their quarrel came to an end.

A. Being settled             B. Settled                        C. Settling              D. Having settled

 His report was so exciting that it was   __    interrupted by applause（掌聲）.

A. constantly              B. constant                   C. seldom                D. never 

 He just graduated from the university last month, so he_________ working experience.

A. lacks of             B. lacks                        C. is lacking of            D. lacking in

 In my opinion, what he told us about the affair simply doesn’t make any        .

A. meaning　　        B. idea　　　                      C. sense　　　             D. point

— What does Mary do?　

— Her job ________ helping old people who live alone.
A. makes up　　　 　　　 B. consists of　　 　　　　　　　　　　 C. adds up　　　　 　　 D. is consisted of

 It has been announced by our provincial government that another two medical teams will be sent to _______ the injured people in the severe earthquake.

A. join to               B. join in                         C. take part in           D. attend

 The invention of steam engine greatly sped up the industrial revolution, which ________ a lot to the take-off of the world.

A. turned                B. contributed                  C. constructed         D. exposed

 __________I see him, he looks sad.  

   A. Every now and then   B. Every now and again      C. Every so often      D. Every time

 A quarrel _________, which made him __________ his family.

A. was broken out; break away                                B. broke out; break away from   

C. was broken away; break down                             D. broke down; break out