II. Choose the best answer to complete each sentence. (Aa/ an /the / no article) 1.Which is .... tallest structure in the world? A. the B. an C. a D. no article 2. Cuc Phuong is Vietnam's.... first national park to be established. A. a B. an Ç. the D. no article 3.Throughout.....world, there have been experiments in growing food crops. A. no article B. the C. an D. a 4.... most important thing when you take part in any examination is to be calm. А. А B. An C. The D.X 5.Most British people are fond of... football. А. а b. An C the D. X 6.Can you play .. piano? – No, I really do not know how to play a musical instrument A. no article В. a С. an D. the 8.Do you know . . name of the Queen of... England. A. no article / the B. A/ an. C. A / the D. The / no article 9.We visited Canada and ... United States. А. an В. a С. Х D. the 10. The 2nd Asian Games was held in .. . Philippines in 1954. А. a В. an C. the D. no article important economic power. C. A/ an А. a D. no article 11. Germany is..important economic power A. no article /an B. The/ the C. A/an D. The / no article 12. Milk is often added to tea in .. . UK. А. a B. An C. the D. no article 13. I went by train to .. West of England. Làm giúp mình với mn ơi