The teacher drew a vertical line to show the level of the students' knowledge,and a horizontal line to show the length of the course.

Seize? the opportunity to study and make the best?use of your time,or your dream to become a scientist will seem to evaporate.

The UN Refugee Agency appealed to the countries concerned to take urgent measures and help to ease the plight of the prisoners of war.

Amy watched her child's intent and naive face eagerly,trying to imprint it on her mind forever.

The harsh weather condition,the bridge having been swept away and the water levels being so high forced the scientific expedition to abort their plan.

Numerous marriages now end in divorce,and women without careers are much more vulnerable than those with them.

Factory's proximity to the Railway Goods Yard means that goods can be dispatched promptly.

Nightmares can perhaps better be defined in terms of the emotions they evoke,rather than any particular subject matter.

The student have been advised to be more relistic and nor to set their aims too lofty or too complicated to carry out or realize.

If circumtances necessitate any changes,the exhibition management has the right to make appropriate decisions to ensure safety.