I. Choose the best answer to complete the sentence. 1. Lighting accounts____________ 10% to 15% of the electricity bill. a. on b. to c. at d. for 2. Tet is a festival which occurs____________late January or early February. a. on b. in c. at d. from 3. Whenever I meet new words, I always look them ____________in a dictionary a. for b. over c. up d. after 4. They live in the house ______________roof is full of holes. a. which b. of which c. that d. whose 5. This is the woman ___________ in Peru last year. a. who I met her b. who met c. I met d. I met her 6. He promises never________ again. a. to smoke b. smoking c. smoke d. smoked 7. __________he didn't feel well, the boy wanted to stay home from school. a. Even though b. Becauses c. Whene d . Unless 8. It's advisable to ________ things in order to save natural resources. a. recycle b. replace c. reduce d. consume 9. The_________ of hiding eggs on Easter is practiced in many American homes. a. costume b . experience c. celebration d. custom 10. “I'm sorry about the noise." / "__________” a. That's right b. Of course c. It's OK d. You're welcome

--energy – money – electricity – machines – by – save – how much – in--

 For most North American households, lighting accounts for 10 percent to 15 percent of the (54)_______ bill. However, this amount can be reduced (55)_______ replacing an ordinary 110-watt light bulb with an (56)_______ saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times longer. Therefore, consumers can (57)_______ about US$ 7 to $21 per bulb.

In Europe, there is a labeling scheme for refrigerators, freezers, washing (58)_______ and tumble dryers. The label tells the consumers (59)_______ energy efficient each model is, compared with other appliances (60)_______the same category.

Ultimately, these innovations will save (61)_______ as well as conserving the Earth’s resources. 

last-with-to-save-for-cost

SAVING ENERGY

For most North American households, lighting accounts(1)................. 10 percent to 15 percent of the electricity bill. However, this amount can be reduced by replacing an ordinary 100-watt light buld(2)........... an energy-saving buld. These bulds use a quartar of the electricity of standard bulds and(3).............. eight times longer. Therefore consumers can(4)............... about U$$7 toU$$21 per buld

IV. Fill in each gap below with a suitable preposition to complete the sentence.
- Who looks ____________ your baby sister when your mother goes on business? 
- My father.
In my family, lighting accounts ____________ 25 percent of the electricity bill every month.
Remember to turn ____________ the taps before you get out of the bathroom.
We are going to have a party ____________ Christmas Eve.
     5-6.  I always go to school____________ foot, but yesterday I went____________ my father’s car.
What are you doing ____________ present?
If we go ____________ wasting water, there will be a shortage of fresh water in a few decades.
I came ____________ my former teacher while doing shopping yesterday.
Jackson can help us ____________ the decoration for Tet holiday

IV. Fill in each gap below with a suitable preposition to complete the sentence.

- Who looks ____________ your baby sister when your mother goes on business? 

- My father.

In my family, lighting accounts ____________ 25 percent of the electricity bill every month.

Remember to turn ____________ the taps before you get out of the bathroom.

We are going to have a party ____________ Christmas Eve.

     5-6.     I always go to school____________ foot, but yesterday I went____________ my father’s car.

What are you doing ____________ present?

If we go ____________ wasting water, there will be a shortage of fresh water in a few decades.

I came ____________ my former teacher while doing shopping yesterday.

Jackson can help us ____________ the decoration for Tet holiday.

PART IV. READING

Read the passage then choose the correct answer to fill in the blank:

For most North American households, lighting accounts for 10 percent to 15 percent of the electric bill. However, this amount can be (28) ............... by replacing an ordinary 100-watt light bulb (29) ............. an energy-saving bulb. These bulbs use a quarter of the (30) ............ of standard bulbs and last eight times (31)............. Therefore consumers can save about US$7 to $21 per bulb. Ultimately, these innovations will save energy as well (32)....... conserving the Earth’s resources.

26. A. reduce B. reduced C. reducing D. reduces

27. A. in B. on C. to D. with

28. A. electric B. electrical C. electricity D. electronic

29. A. longer B. long C. the longest D. the longer

30. A. with B. as C. on D. of

Choose the word or phrase in the box that best fits the blank space in the following passage.

save    luxuries     in      lighting      last       labeling     consumers      reduced     effectively      efficiency

In Western countries, electricity, gas, and water are not .............. (1) but necessities. Companies now realize that ................. (2) want products that will not only work ..................... (3), but also save money.

For most North American households, .................... (4) accounts for 10 percent to 15 percent of the electricity bill. However, this amount can be ...................... (5) by replacing an ordinary 100- watt light bulb with an energy saving bulb. These bulbs use a quarter of the electricity of standard bulbs and ...................... (6) eight times longer. Therefore consumers can ..................... (7) about US$7 to US$21 per bulb. In Europe, there is a .................... (8) scheme for refrigerators, freezers, washing machines and tumble dryers. The label tells the consumers how much energy .................... (9) each model has, compared with other appliances ........................ (10) the same category.