Ⅰ.单词拼写
1．She found her necklace(项链)gone when she arrived at home after the party.
2．When his old father falls ill，he has to shoulder the burden(重担，负担)alone.
3．He has frequently(频繁地)been compared to his classmates by his teacher.
4．His career was shortened(使变短)because of the terrible accident ten years ago.
5．Birds are flying in the forest looking for worms(蠕虫)．
