4. Cyclists and motorists have to wear a__________ when they ride a motorbike.
A. hard hat B. cap C. mask D. helmet
5. He forgot to give a__________ before he turned left and got a ticket.
A. signal B. sign C. light D. hand
6. __________does it take you to get to Ho Chi Minh City by plane? - About 2 hours.
A. How far B. How much C. How long D. How many
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Sinh Học lớp 12
