1 . She finds ___________ challenging to balance her social life with her study. (用适当的词填空)

2 . Communicating through a screen makes ____________ more difficult for children to concentrate. （用适当的词填空）

3 . Some people consider _______ a waste of time surfing the Internet, while others hold different opinions. (用适当的词填空)

4 . The internet makes__________possible for friends to keep in touch even if they are faraway from each other. (用适当的词填空)

5 . ________ is our duty to build a human community with a shared future. (用适当的词填空)

6 . I find________ difficult for me to lose weight. (用适当的的词填空)

7 . I found it very difficult ________ (adapt) myself to things all around here. (所给词的适当形式填空)

8 . __________ has been proved that participating in after-class activities enables us to improve our ability. （用适当的词填空）

9 . __________ remains to be decided whether we shall raise ducks or geese. （用适当的词填空）

10 . My coach told me to calm down and take _____easy before the table tennis competition began.(用适当的词填空)