1 . Some psychologists believe crying is our body’s________ (respond) when we’re helpless. (所给词的适当形式填空)

2 . I knocked at the door again and again, but there was no ____________ (respond). (所给词的适当形式填空)

3 . I suggested that he work out a plan but he didn’t make a r__________ to it. (根据首字母单词拼写)

4 . The show has received a positive r________ from visitors.(根据首字母单词拼写)

5 . The meeting was put off in________(回应) to a request from the public. （根据汉语提示单词拼写）

6 . Receiving a message doesn’t mean you need to make a r______ to it. (根据首字母单词拼写)

7 . I am writing in r________ to the letter you wrote to me yesterday. (根据首字母单词拼写)

8 . When he asked me to help him to cheat in the exam my instant r________ was “of course not”.（根据首字母单词拼写）

9 . The product was developed in r__________ to customer demand. (根据首字母单词拼写)