1 . The people taking part in the activity are v_________________, who are doing this without being paid. (根据首字母单词拼写)

2 . The limited r _________________ have been taken full advantage of by him. (根据首字母单词拼写)

4 . The hospital is searching far and wide for a heart ________ (donate) for he 8-year-old. (所给词的适当形式填空)

5 . His a _________ for membership of the organisation was not accepted. (根据首字母单词拼写)

6 . The Great Wall is one of the famous tourist a_________ in Beijing. (根据首字母单词拼写)

7 . Going from junior high school to senior high school is a really big c____________. (挑战) (根据中英文提示单词拼写)

8 . This provided an excuse for the ________ (当局；官方；当权者) to cancel the elections. (根据汉语提示单词拼写)

9 . Losing weight was a terrible s________and it’s easy to give up, but we should insist on keeping fit.(根据首字母单词拼写)

10 . In spite of all the problems, several of the players produced excellent ________ (perform). (所给词的适当形式填空)