1 . China Daily’s Campus News Awards offer a ________ (reward) experience for young journalists to sharpen their skills, and help train future professionals. (所给词的适当形式填空)

2 . Helping others and making a positive impact on their lives can be an incredibly ______ (奖励, 回报)experience that fills your heart with joy. （根据汉语提示单词拼写）

3 . The routine tasks that occupy most of the day are demanding, but they can also be ________ ________
占用一天里大部分时间的日常工作要求高，但是也会非常有意义。

4 . When asked for his views about his teaching job, Philip said he found it very interesting and ________ (值得做的). (根据汉语提示单词拼写)

5 . The job is ________to me because I've little experience. However, it is also ________.

A．challenging; rewarding	B．challenged; rewarded
C．challenging; rewarded	D．challenged; rewarding