Nam was playing football, _    ?

The international Red Cross, which has helped so many nations, won the Nobel Peace Prize three times for their efforts to reduce human suffering

Carrie Chapman Call organized the League of Women Votes after successfully campaign for the constitutional amendment that gave women the right to vote.

The Gray Wolf, a species reintroduced into their native habitat in Yellowstone National Park, has begun to breed naturally there.

According to classical musical tradition, the term “sonata” is given to those works are written for solo piano or for solo wind or stringed instrument.

Choose the correct answer to complete the sentence. "In the polluted environment, infectious diseases can be passed easily _____ one person to another"

Nobody was watching, so the little boy took the packet of sweets from the shelf and putting it in his pocket.

After the team of geologists had drawn diagrams in their notebooks and wrote explanations of the formations which they had observed, they turned to their camp-side to compare notes.

................ swimming is .................. good sport. 

American pioneers did water systems from logs with holes bored through their centers

If the Oxygen supply in the atmosphere was not replenished by plants, it would soon be exhausted.

Others believe that both sides would jump at the chance to resume negotiations without a delay

A conductor uses signals and gesture to let the musicians to know when to play various parts of a composition.

The basic elements of public-opinion research are interviewers, questionnaires, tabulating equipment, and to sample population

When I walked into my office, I found Tom was using my telephone

Located in Canada, the Columbia Ice field covers area of 120 square miles and is 3,30 feet thick in some places.

Choose the best option:

She is a famous ___. She tries her best to protect rare animals from extinction.

After talking in Copenhagen yesterday, the secretary of state returning to Washington

Choose the best option:

Certain chemicals have been banned because of their damaging effect on the environment.

Stars in our universe vary in temperature, colour, bright, size, and mass

The evolution of fishes is a history of constant adaptation to new possibilities, and a refined of these adaptations.