Many foreign friends used chopsticks when they visited China.
许多的外国朋友在访问中国的时候都使用筷子。
Please call me and let me know.
请打电话告诉我。
Second, if your friends have problems, do not give advice. Ask questions instead, such as What do yo want? How do you feel about it? What are you afraid might happen? They will be able to find answers to any problems themselves, with your support. They