1 . They may only have a __________ (limit) amount of time to achieve their goal. (用所给词的适当形式填空)

2 . He dealt with the problem in a highly ________(专业的)way. （根据汉语提示单词拼写）

3 . Running is cheap, easy and it’s always__________(energy). (所给词的适当形式填空)

4 . The new regulation will be ________ (benefit) to everyone concerned. (所给词的适当形式填空)

5 . Though it is the only unnatural thing on your way up the mountain, still it highlights the whole adventure and offers a place where you can sit down to rest your ________ (ache) legs. （所给词的适当形式填空）

6 . But that’s how nature is —always leaving us ________(astonish). （所给词的适当形式填空）

7 . The ________ (beauty) long branches covered with pink-colored buds (蓓蕾) make fantastic decorations. （所给词的适当形式填空）

8 . They also shared with us many ________ (tradition) stories about Hawaii that were hugely popular with tourists. （所给词的适当形式填空）