DavidSmithisast的精選

問題詳情：閲讀下面短文,在空白處按要求填入適當的單詞或括號內單詞的正確形式。每空1個單詞。DavidSmithisastudent,andoneofhis  61  (hobby)iswriting.Duringthesummerof2010,he  62  (spend)fourweeksatasu...