1 . She a__________(承认） that she couldn’t help but envy her friend’s success. （根据中英文提示拼写单词）

2 . The little boy hesitated at first, then g__________(聚集) his courage and jumped into the pool to have a swim. （根据中英文提示拼写单词）

3 . The book she r___________ (推荐) to me last week is Gone with the Wind.(根据中英文提示单词拼写)

4 . After Winton came to Prague he a_______(帮助) people who were escaping from the Nazis.(根据中英文提示单词拼写)

5 . The population ________(突然增加) to 40,000 during the tourist season（根据汉语意思填空）

6 . Lowered sea levels ________(使暴露) the shallow continental shelf beneath the Bering Sea. （根据汉语意思填空）