问一下也个英语问题啊!急死人了啊

问一下也个英语问题啊!急死人了啊
l relly don`t know how l get to the nearest bridge(保持原句意思)
l relly don`t know _______ ________get to the nearest bridge.
急啊!这道题我不懂啊!
还有啊 l don`t go on a picnic.l went fishing.(合并为一句)
l went fishing_______of_________on a picnic.