He get on his bike and (ride) quickly down the road.

He get on his bike and (ride) quickly down the road.
He get on his bike and (ride) quickly down the road.

He get on his bike and (ride) quickly down the road.
什么问题呢?
He gets on his bike and rides quickly down the road.（一般现在时）
He got on his bike and rode quickly down the road.(一般过去时)

rides
顺便说一句。前面的get应该是gets
如果满意，请记得采纳，谢谢(*^__^*) 嘻嘻