Choose the correct option to complete the sentence

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exercise 12. Choose the correct option to complete the sentence.
1. I would live to by ______ sea
A. the B. a C. an D. x
2. Harry is a sailor. He spends most of his life at ______ sea.
A. a B. an C. the D. x
3. There are billions of stars in ______ space.
A. a B. an C. x D. the
4. He tried to park his car but ______ space wasn't big enough.
A. the B. a C. an D. x
5. We often watch ______ television
A. the B. a C. an D. x
6. Can you turn off ______ television, please?
A. the B. a C. an D. x
7. We had ______ dinner in a restaurant.
A. a B. an C. x D. the
8. We had ______ meal in a restaurant.
A. a B. an C. the D. x
9. Thank you. That was ______ very nice lunch.
A. a B. an C. the D. x
10. Where can ______ people buy everything they need?
A. the B. a C. an D. x
11. Her parents are now working in ______ Europe.
A. the B. a C. an D. x
12. He majors in ______ English.
A. a B. an C. the D. x
13. Mark Twain, ______ American writer, wrote "Life on the Mississippi River".
A. an B. a C. the D. x
14. Paris is splendid by ______ night.
A. a B. an C. the D. x
15. We might be able to catch ______ last train if we hurried.
A. a B. an C. the D. x