It’s impolite to 【cut in】 when two persons are ha

In China, when someone gives you a present, it’s thought impolite to open it ______.A

It’s impolite to cut in when two persons a

It’s impolite to cut in when others are ha

It’s impolite to cut in when two persons a

It’s impolite to 【cut in 】when two persons are ho

It’s impolite to 【cut in】 when others are having