单项选择题
A．a sleep to avoid eating B．a temperature in a cold weather C．a sleep in the cold season D．an animal to practice sleep in winter
A．dislikes his pay B．ignores his pay C．ought to enjoy his pay D．doesn’t complain when kept without pay for months
A．Tinkling sound of a coin dropping. B．Clinking sound of keys. C．Tapping of his typewriter. D．Creaking sounds.