1 . Harbour Air is the largest seaplane __________ (航空公司) in North America, flying 30,000 commercial flights in 40 seaplanes each year. (根据汉语提示单词拼写)

2 . Bill________(替代) for Larry, who was off sick. (根据汉语提示拼写单词)

3 . Today, I am just as ________(热情的) about my study as the day I first studied in senior high. (根据汉语提示拼写单词)

4 . Animals can become endangered for a number of reasons, but many experts believe that loss of ________________ (栖息地)is the main cause. (根据汉语提示单词拼写)

5 . J. K. Rowling, the _____ (有天赋的) creator of Harry Potter, came up the idea for Harry Potter while she was on a delayed train. (根据汉语提示拼写单词)

6 . Some tourists like ________ (雕刻) their names on the buildings in scenic spots, which is a bad behavior in my opinion. （根据汉语提示拼写单词）

7 . Throughout the negotiations (谈判) Harry and Jack took ________(相对立的) opinions. (根据汉语提示拼写单词)

8 . The talks on Iran’s nuclear issues have entered a _________(关键的) final stage when all parties involved are trying to strike a comprehensive deal. (根据汉语提示单词拼写)

9 . It was an ________ (奇怪的) thing that Tom, who had been ________ (承认) as the most careful student, should have made so many spelling and grammatical________ (错误) in his composition. （根据汉语提示拼写单词）

10 . New life on campus provides opportunities to make some new friends, with whom ideas can be ________ (交换) in depth. (根据汉语提示单词拼写)