单项选择题
A．The problem may have been a very complicated one. B．No one can solve this problem. C．The man thinks that the problem is quite easy for Linda. D．The man thinks that he can solve the problem himself.
A．University. B．Community College. C．Middle school. D．Primary school.
A．They like to talk with her. B．They have mental problems. C．They were insulted by the doctor. D．They’ve just felt on edge.