1 . The boy is keen________（explore）the mysteries of the solar system, even the universe. (所给词的适当形式填空)

2 . They’re putting up new hotels in order ___________(boost) tourism in the area. (所给词的适当形式填空)

3 . As a result, his muscles tensed as he got ready ___________(run). (所给词的适当形式填空)

4 . Through analysis, he argued that lack of high-end technology was sure___________(result) in the current fatal problem. (所给词的适当形式填空)

5 . They were disappointed ___________ (find) their limited resources were running out. (所给词的适当形式填空)

6 . Due to lack of sufficient training, he was forced ___________ (float) on the river in a small boat. (所给词的适当形式填空)

7 . It takes a long time to ________ (使复原) the garden to its former beauty. (根据汉语提示单词拼写)

8 . Investigations have indicated that the virus was most likely to _______ (起源) from the seeds. (根据汉语提示单词拼写)

9 . The graph forces you _______ (realize) what we are doing to the ecology. (所给词的适当形式填空)

10 . It was time to make up my mind and _______ (抓住) the chance to improve myself. (根据汉语提示单词拼写)