Ⅰ.单词拼写
1.He has been living here for a ________(十年).
2.They hope to ________(扩大)their company.
3.Time is valuable. ________(因此),we must treasure time.
4.“We ________(出口) them and then we need to import them,” James said.
5.The condition prevents the blood from ________(循环) freely.