他把拖车挂在卡车后面准备出发。
He ___hitched the trailer to his truck before setting off.
我们搭便车去城里参加音乐会。
We ___hitched a ride to the city for the concert.
他们上个月偷偷结婚了,谁都没告诉。
They secretly ___hitched last month without telling anyone.