单项选择题
A．The woman will skip Dr. Smith’s lecture to help the man. B．Kathy is very pleased to attend the lecture by Dr. Smith. C．The woman is good at doing lab demonstrations. D．The man will do all he can do assist the woman.
A．It will arrive at Boulogne at half past two. B．It crosses the English Channel twice a day. C．It is now about half way to the French coast. D．It is leaving Folkestone in about five minutes
A．It is very beneficial to their academic progress. B．It helps them soak up the surrounding culture. C．It is as important as their learning experience. D．It ensures their physical and mental health.