Trees are among the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But (1)_______ being nice to look at, trees also play an important role in improving the quality of our lives. On a world-wide (2)_______, forests help to slow down the effects of global warming by using up the gas known as carbon dioxide and giving (3)_______  the oxygen we need to breathe. At local neighborhood level, trees also (4)_______  important environment benefits. They offer shade and shelter, which in (5)_______  reduces the amount of energy needed to heat and cool nearby buildings; at the same time, they also remove other impurities from the air we breathe.

Điền vào số 1

A. as far as

B. as long as

C. as well as

D. as soon as

The greater part of London _____________of wood, but after the great fire, wider streets and brick houses _______________.

A. have been/are built

B.  was/were built

C. was /would be built

D. had been/ were built

"We will not leave until we see the manager," said the customers.

A. The customers promised to leave before they saw the manager.

B. The customers refused to leave until they saw the manager.

C. The customers agreed to leave before they saw the manager.

D. The customers decided to leave because they did not see the manager.

Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A. none

B.phone

C. stone

D. zone

Trees are among the biggest and longest-living things on Earth, some dating back longer than the oldest buildings. But (1)_______ being nice to look at, trees also play an important role in improving the quality of our lives. On a world-wide (2)_______, forests help to slow down the effects of global warming by using up the gas known as carbon dioxide and giving (3)_______  the oxygen we need to breathe. At local neighborhood level, trees also (4)_______  important environment benefits. They offer shade and shelter, which in (5)_______  reduces the amount of energy needed to heat and cool nearby buildings; at the same time, they also remove other impurities from the air we breathe.

Điền vào số 3

A. in

B. away

C. up

D. out