Ⅰ.单词拼写
1.His manner seemed unpleasant at first, but he improved on further_______(了解).
2.She tried to________(隐瞒) what she had done to them, but in vain.
3.The actor has________(追求) fame all his life, but regretfully, he has never experienced it.
4.Sometimes we deal with some painting here, but this is________(主要地) a furniture shop.
5.The Sahara Desert is a nature________(屏障) between North and Central Africa.