求英语大神帮帮忙（宾语从句）

同学,很高兴回答你的问题
正确答案如下：
1.Is it impolite to eat soup very noisily in most African countries?
A:I want to know whether/if it is impolite to eat soup very noisily in most African countries.
B:I think that it is impolite to eat soup very noisily in most African countries.
2.Can people eat with their left hands in Muslim countries?
A:I want to know whether/if people can eat with their left hands in Muslim countries.
B:I don’t think that people can eat with their left hands in Muslim countries.
3.Will people leave as soon as they finish eating in western countries?
A:I want to know whether/if people will leave as soon as they finish eating in western countries.
B:I don’t think that people will leave as soon as they finish eating in western countries.
4.Do Americans eat food like chicken legs with their fingers?
A:I want to know whether/if Americans eat food like chicken legs with their fingers.
B:I don’t think that Americans eat food like chicken legs with their fingers.
5.Does a formal western dinner always start with a small dish?
A:I want to know whether/if a formal western dinner always starts with a small dish.
B:I don’t think that a formal western dinner always starts with a small dish.
有不明白的请继续追问,