Ring the golden bell ( K9 - unit 10 - new words )

UFOs means ________flying objects.

• A. unknown

• B. unidentified

• C. unable

• D. unimaginary

The man ________without trace.

• A. disappeared

• B. disappearing

• C. appeared

• D. appearing

He is an ________pilot.

• A. experience

• B. experiment

• C. experienced

• D. experient

When a ________enters the earth’s atmosphere, it makes a bright line in the night sky.

• A. moon

• B. UFO

• C. balloon

• D. meteor

Scientists say that if people see a UFO, it ________an aircraft.

• A. must be

• B. would be

• C. might be

• D. should be

Some scientists say that flying saucers might be people’s ________.

• A. imagination

• B. imagine

• C. imaginative

• D. imaginary

My parents did not allow me ________, so I had to stay at home.

• A. go

• B. to go

• C. going

• D. gone

Do you think you will be able ________a space trip?

• A. take

• B. to take

• C. taking

• D. taken

Do you believe ________the existence of UFOs?

• A. on

• B. in

• C. at

• D. for

If we became rich, we would travel ________the world

• A. on

• B. at

• C. in

• D. around