双基限时练(一) Learning to learn
Ⅰ.单词拼写
1．After three years of studying English in America, Mary can speak the language ________ (流利地)．
答案 fluently
2．The Roman Empire ________ (存在) for several centuries.
答案 existed
3．There are 1.3 ________ (十亿) people in China.
答案 billion
4．My job lacks ________ (多样性); I'm doing the same thing all the time.
答案 variety
5．We all ________ (鞠躬) to the Queen as she came out.
答案 bowed
6．Her parents gave her so much money that she's got no ________ (动力) to get a job.
