阅读下面的短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式（每空不多于3个单词）。 Every time I see people riding bicycles on the street, I always think of the time I used {#blank#}1{#/blank#}on my grandpa's old bike.
When I was little, my grandpa looked after me because my {#blank#}2{#/blank#} (parent) were both busy with their work. At that time, only a few people {#blank#}3{#/blank#} (have) cars. Most people usually got around {#blank#}4{#/blank#} bike. And how did I go to the school then? Yes, I went there on Grandpa's bike! {#blank#}5{#/blank#} the bike was moving forward, it made some funny sounds that made me {#blank#}6{#/blank#} (laugh). I always clapped my little hands and sang {#blank#}7{#/blank#} (happy). Grandpa turned back over and over again to make sure my little feet would not get caught in the wheels. Grandpa was so careful {#blank#}8{#/blank#} I never got hurt in his care.
{#blank#}9{#/blank#} a sweet memory it is! Now, I {#blank#}10{#/blank#} (study) in a boarding school and I miss my grandpa a lot. I wish I could relive those old days.
