未知题型 Who's going to become a new man nanny soon?A.James Butters.B.Peter Cummins.C.Thomas.D.NorlanD.

单项选择题 无效婚姻是欠缺婚姻成立要件的违法婚姻。（）

未知题型 What should one do if he's got an urgent call during a meeting?A.Explain to the people present and then answer the call.B.Cut the call off at once, and apologize to the caller later.C.Answer the call before apologizing to the chairperson.D.Leave the room immediately to answer the call.