单项选择题
The babies would "smile and bubble" at the lights because （）
A．the lights were directly related to some basic "drives" B．the sight of the lights was interesting C．they need not turn back to watch the lights D．they succeeded in "switching on" the lights
单项选择题 The barman didn't want to send the man away because（）
单项选择题 People who came to the bar were （）
单项选择题 The man was （）
