1 . We ________ (complain) to the travel agency about the terrible service during the trip the other day. However, no one________ (respond) until now. (所给词的适当形式填空)

2 . I feel it no use _________ (complain); instead, I should take action immediately. (所给词的适当形式填空)

3 . The resident physician often ________ about his working conditions and I'm tired of his ________. (complain) (所给词的适当形式填空)

4 . It is no use ____________ (complain) all the time and what you should do is look on the bright side. (所给词的适当形式填空)

5 . I have heard many men ________________(complaint) that they had more pressure on their shoulder. （所给词的适当形式填空）

6 . As far as I can see, it’s no use ________(complain) without taking action. (用所给词的适当形式填空)

7 . It is no use __________(complain) without taking any action. (所给词的适当形式填空)

8 . The public kept __________ (complain) about the increase in the cost of health insurance. (所给词的适当形式填空)

9 . Facing trouble, he always ________(complain) instead of trying every manner to overcome it. (所给词的适当形式填空)

10 . I am tired of my mother. She _______ always _______ (complain) about everything. (所给词的适当形式填空)