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 . 一些学生抱怨说，他们每天有太多的家庭作业要做。
________________they have too much homework to do every day.

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

4 . 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)

6 . He spoke to me angrily for a few hours, _____________(抱怨) about how hard the exam was. (根据汉语提示单词拼写)

7 . A child’s vocabulary ________ through reading.

A．complains

B．survives

C．expands

D．suffers

8 . 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)

9 . She c______ to the company about its bad service and soon the manager sent her a written apology. （根据首字母单词拼写）