Question 6: It took three and a half hours _________ to Singapore. to

Question 6: It took three and a half hours _________ to Singapore.

• A. to fly
• B. flying
• C. to be flown
• D. fly

It takes + time/money + to V : Mất bao nhiêu thời gian, bao tiền bạc để làm việc gì.