1. B

2. D

3. B

4. C

5. A

6. C

7. B

8. A

9. A

10. A

11. C

12. D

13. D

14. B

15. A

16. A

17. D

18. B

19. C

20. B

$\text{@Thư nhút nhát}$

$\text{Xin hay nhất ạ}$

1. “Would you mind if we ____ you by your first name?” - “Not at all. Please call me Tom.”

A. called

B. call

C. calling

D. want to call

2. She can't get home ____ she has no money.

A. unless

B. if

C. until

D. without

3. If I had known your new address, we ____ to see you.

A. came

B. will come

C. would come

D. would have come

4. If we took the 10:30 train, ____ too early.

A. we would arrive

B. we should arrive

C. we will arrive

D. we may arrive

5. It's very crowded here. I wish there ____ so many people.

A. aren't

B. weren't

C. haven't been

D. isn't

6. I wouldn't go there at night if I ____ you

A. am

B. was

C. were

D. had been

7. If I ____ get a rode, I'll go fishing.

A. can

B. could

C. may

D. might

8. If they had enough time, they ____ head south.

A. will

B. can

C. must

D. might

9. If you ____ a choice, which country would you visit?

A. have

B. had

C. have had

D. will have

10. Trees won't grow ____ there is enough water .

A. if

B. when

C. unless

D. as

11. I have a test to take tomorrow morning. If I ____ free time, I ____ to Cuc Phuong National Park with you.

A. had - would go

B. will have - will go

C. have - will go

D. had - went

12. Phong Nha Cave has been regarded by the British Cave Research Association as the top cave in the world ____ its four top records.

A. despite

B. with

C. due to

D. because

13. ____ the decisive assistance of the villagers, we would not be able to facilitate the ecotour.

A. But

B. Neither

C. With

D. Without

14. According to the weather forecast, it will be fine at the weekend. If the weather ____ fine, we ____ on camping at the weekend.

A. were - would go

B. was – went

C. is - will go

D. will be - go

15. After lunch, we take a short talk to the elephant camp ____ you will enjoy an exciting elephant riding.

A. where

B. what

C. that

D. when

16. You can climb up Mount McKinley, the highest peak in North America, to explore the rest of Denali National Park in Alaska, and view some ____ wildlife.

A. interested

B. spectacular

C. excited

D. great

17. The vast wilderness of Alaska offers some unbelievable ecotourism opportunities, and one of the most ____ tourism industries in the USA.

A. sustainable

B. natural

C. safe

D. environmental

18. Villagers can compete against the commercial fishing and timber companies who ____ the natural resources of the area, taking as much as they want.

A. deplete

B. lower

C. leave

D. decrease

19. The Mekong Delta is an extraordinary place that ____ international tourists.

A. offers

B. considers

C. attracts

D. persuades

20. The areas are very ____ for tourists who love to study and discover.

A. suitable

B. available

C. successful

D. aware