题干
－It’s necessary to limit the speed of electric bikes.
－Yes, most riders of electric bikes in China 40-50 kilometers per hour often ignore red lights, the risk of traffic accidents.
－Yes, most riders of electric bikes in China 40-50 kilometers per hour often ignore red lights, the risk of traffic accidents.
| A．reaching; increase | B．reach; increase |
| C．to reach; to increase | D．reaching; increasing |
答案(点此获取答案解析）
