X. Make questions for the underlined part in each sentence.
46. The first Olympic Games took place in Greece in 776 BC.
⇒Where were the first Olympic Games took place?
47. Pelé began his career at the age of 15.
⇒When did Pelé begin his career?
(Do câu trên là thì QKĐ nên cậu hỏi dưới khi chuyển cx phải thì QKĐ->Dùng trợ động từ 'did' và began->begin)
48. I really like swimming because it helps me keep fit.
⇒Why do you like swimming?
(Khi thấy 'because' thì câu hỏi sẽ là 'why' và câu trả lời là 'T' thì câu hỏi là 'you' )
49. The Olympics Games are held once every four years.
⇒How often are the Olympics Games held?
('Once' là chỉ tần suất thời gian nên dùng 'how often')
50. The children are playing tug of war.
⇒What are the children doing?
