单项选择题
A．It was stressful. B．It was colorful. C．It was peaceful. D．It was boring.
A．The professor’s presentation was not convincing enough. B．The professor’s lecture notes were too complicated. C．The professor spoke with a strong accent, D．The professor spoke too fast
A．One can benefit a lot from working with his father. B．Manual labourers shouldn’t be looked down upon. C．One should always do his job earnestly. D．Teenagers tend to be careless.