单项选择题
A．When you run out of money, you can ask your partner to call back. B．Telephone books in the US have different colors. C．The state of Oregon has several area codes. D．An area code is necessary in making a long-distance call.
A.who B.as C.which D.what
A．the write want his children to be very rich B．life in the dirty street is not shameful C．the writer believes money means happiness D．a good person may not necessarily be rich