1 . It’s time to ________(滚动) up our sleeves and get some work done on the basics. (根据汉语提示单词拼写)

2 . When shopping online, all you need to do is to c__________ a few buttons and a deal (交易) is accomplished. (根据首字母单词拼写)

3 . I try to r________ what I have learned before the exams. (根据首字母单词拼写)

4 . If you have any questions, don’t hesitate to   ______（联系） me either by e-mail or by WeChat（微信）.（根据汉语提示单词拼写）

5 . It may take a long time for some people to __________ (消化，吸收，理解) new idea. (根据汉语提示单词拼写)

6 . The paper published an extra to   ___________(宣布) the end of the war. (根据汉语提示单词拼写)

7 . Our scientists are making an effort to t_________ the deserts into grasslands. (转变) (根据中英文提示填空)

8 . The first crucial step for rescue teams after an air crash is to l________ where the plane has fallen. (根据首字母单词拼写)

9 . The athlete needs to p________(表现；发挥) at their best in order to win the championship. （根据中英文提示拼写单词）

10 . Try to ______(估计) how many steps it will take to get to a close object. (根据汉语提示单词拼写)