Complete the sentences with the appropreate form of the words in brackets.

1, I (honest).... think that this is the best thing to do.

2, This (observe) .... houses the largest telescope in the country.

3, UFO means (identify)... flying object.

4, They said my illness was ( imagine)... Don't they realize I'm in a lot of pain?

5, They're selling these toys at a very ( compete)...price

6, A letter should always end with the (sign )...of the writer.

7, John hates waiting, he is so ( patient )...

8, A large number of crimes remain ( solve )...

9, The elderly tourists do not find the thought of climbing the hill ( appeal ) ...

10, W need to ( cycle ) ... more of our waste and glass.

Giúp mình nha, cám ơn nhìu...!

Read the passage and choose the correct answer to complete the sentence:
A UFO (Unidentified Flying Object) is an object flying in the sky which cannot be identified by the person who sees it. Sometimes the object is investigated. If people can still not figure out what the object is after an investigation, it is called a UFO. If they figure out what the object is, it can no longer be called a UFO because it has been identified.
Even though UFOs can be anything, people often use the word UFO when they are talking about alien spacecraft. Flying saucer is another word that is often used to describe an unidentified flying object.
Studies estimate that 50 % -90 % of all reported UFO sightings are identified later . Usually 10 % -20 % are never identified . Studies also show that very few UFO sightings are hoaxes (people trying to trick other people). Most UFOs are actually natural or man - made objects that looked strange . % -90 % UFOs are identified as one of three different things: astronomical causes (for example: planets , stars , or meteors ) ; aircraft , balloons 10 % -20 % of UFOs are other causes (such as birds, clouds, mirages, searchlights, etc.)
1. What does the word "igure out" in paragraph 1 mean?
A. observe B. explain C. calculate D. require
2. Another word used to describe a UFO is ………………….
A. spacecraft B. astronaut C. flying saucer D. cooking oil
3. How many percents of all reported UFO sightings are not identified?
A. 10 % -20 % B. 20 % -30 % C. 30 % -50 % D. 80 % -90 %
4. Most of UFOs are identified as one of the following things except .
B. balloons C. clouds D. rains A. stars
5. Which of the following sentences is NOT true?
A. UFO means Unidentified Flying Object.
B. UFO is often used to talk about alien spaceships.
C. Many UFO sightings are hoaxes.
D. Over half of all reported UFO sightings are identified

Read the passage below and choose one correct answer for each question.

A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it. Sometimes the object is investigated. If people can still not figure out what the object is after an investigation, it is called a UFO. If they figure out what the object is, it can no longer be called a UFO because it has been identified.

Even though UFOs can be anything, people often use the word UFO when they are talking about alien spacecraft. Flying saucer is another word that is often used to describe an unidentified flying object.

Studies estimate that 50%-90% of all reported UFO sightings are identified later. Usually 10%-20% are never identified. Studies also show that very few UFO sightings are hoaxes (people trying to trick other people). Most UFOs are actually natural or man-made objects that looked strange. 80%-90% UFOs are identified as one of three different things: astronomical causes (for example: planets, stars, or meteors); aircraft; balloons 10%-20% of UFOs are other causes (such as birds, clouds, mirages, searchlights, etc.)

What does the word “figure out” in paragraph 1 mean?

A. observe

B. explain

C. calculate

D. require

1. Honest
a. It was very ........of him to steal that money
b. I ............think that this is the best thing to do
c. They praised her for her ........
2. Industry
a. I'm afraid .......relations aren't very good in this company
b. She was a much less ........student than her sister
c. He's a leading ..........with factories all over the country
d. In the past few years this area has become heavily ................
3. Imagine
a. They said my illness was ........... Don't they realise I'm in a lot of pain ?
b. He hasn't got the .......... to think up such a cleaver plan
4. Vary
a. The temperature is very ......... at this time of the year
b. Do you like this new ..... of apple ?
c. There are ........ desserts to choose from
d. Politicians ........blame the media if they don't win the election . They're so predicable
5. Electric
a. He works as an .......... for a local firm
b. The price of ........ has gone up again
c. The fire was caused by an ........... fault in the television
d. He is an .......engineer

Question 4. Use the correct form of the words in brackets to complete sentences

1. To win the gold medal you will have to beat all the ……..        COMPETE

2. UFO means ……..Flying Object.                        IDENTIFY

3. I am  full of ……. for  her improvement.                    ADMIRE

4. It is becoming ………..difficult to find a job nowadays.            INCREASE

5. He is so …… . No wonder he has no friends.                AGREE

6. No one wore clothes like that any more they are terribly ….....     .    FASHION

7. Carol is a ……… girl and her ………. makes her popular.         THINK

8. The coal industry was ………private but was ………. in  the 1940s.    ORIGIN/NATION

9. I believe in ……….disease because ………. is better than cue.        PREVENT

10. The ……… which have just been built look very beautiful.        BUILD

Hoàn thành câu:

1. We apologize for the .................................... caused to the passengers. (convenient)

2. Using the Internet in daily life can be .......................... (cost)

3. Astronauts who are orbiting the Earth often experience sensation of ................................. (weight)

4. NASA scientists believe the ...................... (egist)

2. UFO, which means flying saucer, is the abbreviation for ................................... Flying Object (identify)

1)UFO,which means flying saucer,is the abbreviation for...................................Flying Objecy.(identify)

2)95% of the atmosphere on Mars is carbon dioxide,which is_____________to breathe(poison)

3)NASA has found out that Kepler-62e has some__________________________to Earth(similar)

4)Do you think astronauts feel a great sense of________________________________when they travel alone in space?(lonely)

5)NASA scientists believe the______________________of alien life is not far away from Earth(Egist)