单项选择题
M: This mathematic problem is giving me a headache. W: Try taking it one step at a time.
A.Solve it as soon as possible. B.Count the time it needs. C.Be patient with the problem.
A.She is waiting for the man. B.She is waiting for her mother. C.She is waiting for a bus.
A.She liked him. B.She had no other friends. C.She wanted to have a birthday party.