66 Climbing is becoming more and more popular.
67 When Tom crossed the road, he was hitted by a car.
68 Changcheng is the symbol of China.
69 You should do more exercise to prevent disease
70 We took part in sports meeting in two weeks ago.
66.Tom become a popular climber
67.Kim was hit by a car when he cross the road
68.Great Wall is a symbol of China
69.If you have a disease,please do more exercixe
发图来吧。。