4 . Though ________ (disconnect), the phone serves a surprising purpose: helping people speak out what they feel embarrassed to say in front of others. （所给词的适当形式填空）

6 . She called for action to address the struggles of people around the world ________(face) “too little water or too dirty water”.(所给词的适当形式填空)

7 . Research on the question ________ (suggest) that, for most students, it doesn’t. (所给词的适当形式填空)

8 . I________ (voice) my biggest concern to my mother. (所给词的适当形式填空)

9 . My thoughts can’t be relayed over a regular phone line, so I want them ________ (carry) on the wind. （所给词的适当形式填空）

10 . She called for action ________(address) the struggles of people around the world facing “too little water or too dirty water”.(所给词的适当形式填空)