1.The distance from Ho Chi Minh city to Phu Quoc Island is about 300km
=>It is.........about 300km from HCM city to Phu Quoc Island( đề bài sai nha thầu from thành between , to thành and)........
2.Road users should obey traffic rules strictly
=>traffic rules.........should be obeyed strictly by road users
Xin hay nhất nha