Inglês — probabilidade

DIRECTIONS: Choose the CORRECT alternative to answer questions 16 to 25.Questions 16 to 20: Choose the CORRECT alternative to answer questions 16 to 20, according to TEXT 01.

Question 25: Choose the CORRECT alternative to answer question 10, according to TEXT 04.You leave the supermarket and go straight to Heathrow to meet an old friend of yours. But at the entrance, you find the above sign which means you _____ enter.