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 {#blank#}1{#/blank#}(spend) on my grandpa's old bike.
When I was little, my grandpa looked after me
because my parents were both busy {#blank#}2{#/blank#}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 am
studying in a boarding school and I miss my grandpa a lot. I wish I could
relive those old {#blank#}10{#/blank#}(day).
