Question 1 of 21
0.4 Points
The Earth ……………………. for more than 4,000 million years

• A. existed
• B. has existed
• C. exists
• D. is existing

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Question 2 of 21
0.4 Points
Humans ………….. on the planet for just 50,000 years.

• A. Be
• B. been
• C. have been
• D. were

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Question 3 of 21
0.4 Points
Dinosaurs ……………. on Earth for 160 million years.

• A. have lived
• B. lived
• C. live
• D. living

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Question 4 of 21
0.4 Points
In the past, people ……………………… that the world was flat.

• A. thought
• B. have thought
• C. thinked
• D. had thought

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Question 5 of 21
0.4 Points
The first Australians- the Aborigines……………………….there for about 40,000 years.

• A. Live
• B. have lived
• C. is living
• D. lived

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Question 6 of 21
0.4 Points
For many years, the USA ……………………….. a British colony.

• A. has been
• B. were
• C. be
• D. was

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Question 7 of 21
0.4 Points
The USA ……………………… an independent country for over 200 years

• A. has been
• B. were
• C. be
• D. was

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Question 8 of 21
0.4 Points
Before becoming a banker, my brother ………………. abroad for several years.

• A. work
• B. has worked
• C. worked
• D. had worked

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Question 9 of 21
0.4 Points
The couple next-door ………………….there for twenty-five years: I’m sure they’ll never move.

• A. lived
• B. have lived
• C. had lived
• D. live

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Question 10 of 21
0.4 Points
He ……………………more than twenty books.

• A. wrote
• B. has wrote
• C. has written
• D. written