单项选择题
When speaking on the phone, the essential factor for successful communication is your（）
A．voice B．gesture C．eye contact D．facial expression
单项选择题 According to the first paragraph, the library sends the application form to the readers so that they can（）
单项选择题 1（）
单项选择题 The bicycle you referred to isn"t ______. It belongs to ______.
