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red B. was covered C. is covering D. has covered 8. Look! Smoking ____ around here. Oh, I’ m sorry. A. is not allowed B. didn’ t allow C. was not allowed D. doesn’ t allow 9. Every year, a flower show _____ in Beijing Botanical Garden in April. A. is held B. was held C. hold D. held 10. The Great Wall ____ all over the world. A. is known B. knew C. knows D. was known 11. Middle school students ____ not to smoke. A. always told B. is always told C. are always told D. always tell 12. The road ____ last year. A. built B. is built C. was built D. builds 13. The sick boy ____ to hospital by the police yesterday. A. takes B. took C. was taken D. is taken 14. Who’ s the little b