I really don't know _____ you returned the pen to me．

       A．when was it that                       B．when was it

       C．when it was that                            D．when it was what

—Why are they selling their desks and tables?

       —They _____ to another city．

       A．moved                                              B．a(chǎn)re moving                              

       C．have moved                                            D．had moved

I am sad to report to my friends _____ Harry Gradman died on September 30th, 2011．

       A．where            B that                   C．what            D．whether

Right amounts of exercise, if _____ well?can improve our health．

       A．being carried out    B．carrying out          C．carried out         D．to carry out

Children between the ages of 3 and 6 attend kindergartens, _____ are often run by the government．

       A．which             B．that                 C．where             D．who

He likes such houses with gardens, but he doesn't have money to buy _____．

       A．it                 B．one                C．that             D．this

—Anything to drink? Coffee?

       —I think I'll have some tea        coffee．

       A．other than           B．more than            C．less than           D．rather than

Many people left their jobs _____ they didn't get good payments．

       A．but                 B．until                 C．because           D．so

A two-year-old girl who was _____ twice and ignored by 18 people has finally died in a hospital．

       A．run up              B．run away          C．run after           D．run over

The city of Guilin, _____ former capital of Guangxi, is now _____ major city in Guangxi．

       A．the; a            B, the; the         C．a(chǎn)；a                     D．a(chǎn); the