1.determined;determination 2.disciplined3.committed;commitment

7.1.Some scientists think human activity should be toblame for the extinction of some species. 2.It is not unusual for his brother to get full mark...

1.So far,the couple have traveled to nearly 30 countries. 2.Bob was lost in his science fiction:not once didhe lift his head to see what his mother...

1.Paul used to hate maths very much,but now he isquite interested in it. 2.As our headteacher often says,going to college willhelp us create a brig...

57.who/that58.cultural 60.to dig61.provides

1.One day,his mother caught him smoking in hisbedroom. 2.There is no such thing as a free lunch in the world.

1.Nervous and frightened,I stared at my father. 2.I burst into tears at the thought that I might have fostmy way.

1.No matter what they say,I won't give up my dreamof becoming an excellent swimmer. 2.The whole discussion boils down to the question ofhow many pe...

1.I think it is safe to say that the Internet plays avery important role in our life. 2.It was her mother who/that encouraged her tojoin the organi...

1.1.at his expense2.did a double take 3.have had a huge influence/impact on

风1.political;politician2.diversity 4.coverage5.interpreter;interpretation

1."She's alive!"cried the doctor delightedly. 2."A letter?"repeated Professor Johnson,leaningback in his chair.