While ____ (visit) Hangzhou's West Lake and its surrounding beautiful hills, you'll understand ____ it's been a great source of inspiration（灵感）for artists,poets and philosophers throughout Chinese history.

    Though ____ rest of the country is moving from two wheels to four,cycling culture is thriving（繁荣的）in Hangzhou. The city ____ (develop) China's first bike-sharing system in 2008.Since then,it's grown into the world's ____ (big) and one of the world's best public bike systems.

    Hangzhou grows some of China's finest green tea—Longjing.Every spring,before the traditional Qingming Festival, tea ____ (love) from all over the country come to Longjing, a village ____ lies just south of West Lake,for the first cut of top-quality tea. During tea season— ____ (usual) late March and April—the air is filled with smell from the tea, when leaves ____ (pick) and roasted in the village.The village is open to the public and you can pick your own tea after getting ____ (permit) from the local tea farmers.