27. If we all use ______ bags, we'll help the environment.
A. reusable B. new C. beautiful D. dirty
28. Our family ______ to the new house next week.
A. will move B. moves C. move D. moved
29. If we ______ trees, our school ______ greener.
A. will grow/ is B. grow/ will be C. will grow/ are D. grow/ is
30. People ______ the environment if they ______ old items.
A. saved/ use B. save/ will use C. will save/ use D. save/ use

31. If they ______ an airport here, it ______ very noisy.
A. builds/ be B. build/ will be C. built/ is D. will build/ is
32. If the weather _______ sunny, I _______ to the zoo tomorrow.
A. is / go B. is / will go C. are/ go D. are / will go
33. Last night, I ________ out for dinner with my friends.
A. went B. go C. am going D. goes
34. The robot will help me to ______ the dogs and cats.
A. go B. feed C. swim D. make
35. What can an ________ helps us to do? - It can help us to cook rice.
A. fridge B. smart TV C. computer D. electric cooker

4.  A ___________ can help us to wash and dry dishes.

A. dishwasher                         B. fridge                                  C. washing machine

5. If people use _____________ bags for shopping, they will help the environment.

A. reusable                              B. recycling                             C. plastic

6. Sports and games ____________ an important part in our lives.

            A. play                                     B. plays                                   C. played

7. ___________ do you watch TV? - Because it’s entertaining and educational.

            A. What                                  B. Who                                    C. Why

8. “________ homework do you usually get after each class every day?

            A. How many                          B. How much                          C. How long

9. We ________ to Ho Chi Minh City for our last summer vacation.

            A. will go                                B. are going                             C. went

10. We trained hard, ____________ we won the game.

            A. so                                        B. and                                     C. But

11. ________ Earth is the third planet from the Sun.

            A. An                                      B. The                                     C. A

4.  A ___________ can help us to wash and dry dishes.

A. dishwasher                         B. fridge                                  C. washing machine

5. If people use _____________ bags for shopping, they will help the environment.

A. reusable                              B. recycling                             C. plastic

6. Sports and games ____________ an important part in our lives.

            A. play                                     B. plays                                   C. played

7. ___________ do you watch TV? - Because it’s entertaining and educational.

            A. What                                  B. Who                                    C. Why

8. “________ homework do you usually get after each class every day?

            A. How many                          B. How much                          C. How long

9. We ________ to Ho Chi Minh City for our last summer vacation.

            A. will go                                B. are going                             C. went

10. We trained hard, ____________ we won the game.

            A. so                                        B. and                                     C. But

11. ________ Earth is the third planet from the Sun.

            A. An                                      B. The                                     C. A

Đáp án: A

Giải thích: Câu điều kiện loại 1: If+ Mệnh đề (Hiện tại đơn), Mệnh đề chính (tương lai đơn)

Dịch: Nếu chúng ta sử dụng túi có thể sử dụng lại, chúng ta có thể bảo vệ môi trường.

IV. Read the passage and choose the correct answer (A, B, C or D).

Earth, our beautiful home planet, is the only astronomical object to accommodate life (23) . . . . . we know it. Scientists believe Earth was (24) . . . . . approximately 4.5 billion years ago. It is the fifth-largest (25) . . . . . in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It (26) . . . . 365,3 days for Earth to orbit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 580C. Nearly 70 percent of Earth's surface is covered by ocean, (27) . . . . has an average depth of about 4 kilometres. In 2015 it was estimated that 7,3 billion humans are living on Earth.

23. A. as B. so C. because D. that

24. A. find B. formed C. found D. built

25. A. system B. planet C. star D. sun

26. A. has B. takes C. gets D. begins

27. A. what B. that C. which D. where

Đáp án: B

Đáp án là B.

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D. The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

Chúc bạn học tốt!

trả lời hộ

46A 47B 48A 49C 50C

cho mình nha

Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle!

When people reduce it means they are using (46)________ of something. This allows us to create less waste. Turning off the faucet when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting (47)________.

Another small action people can take is to reuse things we already have. Taking bags to the store (48)________ we shop for food is one way to reuse them. Using both (49)________ of piece of paper before getting a new one is another way to reuse.

(50)________ is when new materials are created from old ones. Paper, plas, and metal are all materials that can be recycled. Things newspapers, soda cans, and plas bags can all be turned into new objects if we take the time to recycle them!

46..a. much b. more c. little d. less

47.a. energy b. electricity c. water d. time

48.a. when b. what c. how d. while

49.a. ways b. sides c. parts d. points

50.a. Reusing b. Reducing c. Recycling d. Reacting

46..a. much b. more c. little d. less

47.a. energy b. electricity c. water d. time

48.a. when b. what c. how d. while

49.a. ways b. sides c. parts d. points

50.a. Reusing b. Reducing c. Recycling d. Reacting

46 D ; 47A ; 48A ; 49B ; 50C

Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle!

When people reduce it means they are using (46)________ of something. This allows us to create less waste. Turning off the faucet when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting (47)________.

Another small action people can take is to reuse things we already have. Taking bags to the store (48)________ we shop for food is one way to reuse them. Using both (49)________ of piece of paper before getting a new one is another way to reuse.

(50)________ is when new materials are created from old ones. Paper, plas, and metal are all materials that can be recycled. Things newspapers, soda cans, and plas bags can all be turned into new objects if we take the time to recycle them!

46..a. much b. more c. little d. less

47.a. energy b. electricity c. water d. time

48.a. when b. what c. how d. while

49.a. ways b. sides c. parts d. points

50.a. Reusing b. Reducing c. Recycling d. Reacting