----- Nội dung ảnh ----- Ex 3. Are these sentences right or wrong? Correct them if necessary. 1. My sister doesn't like films/have unhappy endings. 2. What is the name of the man who is the director of the language centre? 3. One of the four official languages people use in Singapore is English. 4. I like the English lesson which Ms Oanh taught yesterday. 5. Students who grades are high can compete in this contest.