They paid a visit to ________used to be a factory．
A． where B． what C． which D． that
Nothing in this world is a gift．________ has to be learned must be learned the hard way．
A． Whatever B． No matter what C． Whichever D． No matter which
Last week, only two people came to look at the house, _______wanted to buy it．
A． none of them B． both of them
C． none of whom D． neither of whom
_______ in a friendly way, their quarrel came to an end．
A． Being settled B． Settled C． Settling D． Having settled
We would like to drop in at your house if ___________
A． you are convenient B． it is convenient of you
C． it is convenient to you D． you will be convenient
We have every reason to believe that ______ 2012 London Olympic Games will be ______ success．
A． / ； a B． the ；/ C． the ；a D． a ；a
