填空题not

单项选择题A．One should spend time as much as possible in the target culture.B．One should make more foreign friends.C．One should be confident in himself in dealing with cultural matters.D．One should communicate well with foreign clients.

填空题are→is

填空题does best can do best

单项选择题A．advocacy skillsB．persuasive skillsC．facilitating skillsD．supporting skills