读短文，用恰当的单词将短文补充完整。
I like to collect 1．. I 2． collecting them when I was 6 years old. I have a whole set of the 3． birth-year 4． stamps in my collection. My grandma in Canada has the same set. Let me 5． you my stamps.
| A．stamps | B．show | C．twelve | D．animal | E．started |
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