1 . A ________(频繁的) character in the letters was Polar Bear. （根据汉语提示单词拼写）

2 . If you want to join, there is an entrance fee of 20 and an _______(每年的) membership fee of 10. (根据汉语提示单词拼写)

3 . I think you should go back to your o________ (原来的) plan. (根据中英文提示填空)

4 . It is most likely that Mr.Smith asked________（先前的）volunteer about voluntary work. （根据汉语提示单词拼写）

5 . The rain is ________ to the crops.（对……大有好处）（根据汉语提示完成句子）

6 . She was j________ (高兴的) when she heard she had passed the exam. （根据中英文提示填空）

7 . I am very ________(心烦的) about being laughed at. (根据汉语提示单词拼写)