【题目】—It's a long way to go! We must take a taxi.
—______ for a taxi. The underground can save money.
A.No longer
B.No wonder
C.No need
D.No problem

【答案】C
【解析】句意:——有好长的路要走！我们必须打的。——没有必要打的，地铁可以节省钱。no longer”不再“；no wonder”难怪“；no need”没必要“，no problem”没问题“。选C。