THEIR CLASSMATES ARE WRITING LETTERS OFACCEPTANCEA. AGREEB. ADMISSI...

22.

Their classmates are writing letters of

acceptance

A. agree

B. admission

C. refusal

D. confirmation

Read the following passage and mark the letter A, B, C or D on your answer sheet to

indicate the correct word or phrase that best fits each of the numbered blanks

Rivers are one of the world's most important natural resources. Many cities are on large

rivers, and (23) _______every country has at least one river that plays an important part

in the lives of its people.

Besides transportation, rivers (24) _______ food, water for crops, water to drink, and

opportunities for recreation for people who live along their banks. And in order to get

water for crops, engineers sometimes build a dam (25) _______a river and let the water

become a lake behind the dam. Then people can use their water not only to irrigate fields

but also to make electricity for homes and industries.

However, the water often becomes (26) _______ when cities on river banks grow in size

and the number of industries increases. We are learning that it is necessary to keep rivers

clean if we want to enjoy the (27) _______of the natural resources.