The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed ________ my memory.

[　　]

A．to　　　　B．over

C．by　　　　D．on

　　——Dad, I've finished my assignment.

　　——Good, and ________ you play or watch TV, you mustn't disturb me.

[　　]

A．whenever　　　　B．whether

C．whatever　　　　D．no matter

The old man, ________ abroad for twenty years, is on the way back to his motherland.

[　　]

A．to work　　　　　　　B．working

C．to have worked　　　　D．having worked

After Yang Liwei succeeded in circling the earth, ________ our astronauts desire to do is walk in space.

[　　]

A．where　　　　　　　B．what

C．that　　　　　　　　D．how

Happy birthday, Alice! So you have ________ twenty-one already!

[　　]

A．become　　　　　　B．turned

C．grown　　　　　　 D．passed

________ two exams to worry about, I have to work really hard this weekend.

[　　]

A．With　　　　　　　B．Besides

C．As for　　　　　　D．Because of

I hate ________ when people talk with their mouths full.

[　　]

A．it　　　　　　　B．that

C．these　　　　　 D．them

In fact ________ is a hard job for the police to keep order in an important football match.

[　　]

A．this　　　　　　　B．that

C．there　　　　　　D．it

The Parkers bought a new house but ________ will need a lot of work before they can move in.

[　　]

A．they　　　　　　　B．it

C．one　　　　　　　D．which

He had a long struggle ________ the work done.

[　　]

A．to get　　　　　　　　B．getting

C．for　　　　　　　　　D．before