根据句意及首字母提示完成单词
①I want to have a____(谈话) with you in English.
② SingingEnglish songs can____(改进) our English.
③The girl was too____(羞怯的) to say a word in front of the group.
④ What's the____(主要的) question about learning English?
⑤It's____(合乎常情的) to help each other.