{#blank#}1{#/blank#} {#blank#}2{#/blank#} students are planting trees in the park.

Hangzhou is {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} city.

    Vienna, on the River Danube, is the capital of Austria. Lots of musicians went there to study and {#blank#}1{#/blank#}.

Johann Strauss the elder wrote and played music for traditional dances. His dance music {#blank#}2{#/blank#} him famous. Johann Strauss the younger was also {#blank#}3{#/blank#}. He wrote more than 150 waltzes. The Blue Danube waltz is one of {#blank#}4{#/blank#}. Mozart was another famous musician. He could play {#blank#}5{#/blank#} the piano and the violin before he was six. He wrote hundreds of wonderful {#blank#}6{#/blank#} of music in his life.