The professor had no sooner finished his speech ________ the students started cheering.

A．since B．when C．than D．as

________ from the top of the tower, the south foot of the mountain is a sea of trees.(2010·陕西)

A．Seen B．Seeing

C．Having seen D．To see

I'm calling to enquire about the position ________ in yesterday's China Daily.(2010·北京)

A．advertised B．to be advertised

C．advertising D．having advertised

When I talked with my grandma on the phone, she sounded weak, but by the time we ________up, her voice had been full of life.

A．were hanging B．had hung

C．hung D．would hang

Dream of the Red Chamber is ________worth ________because we can learn a lot about the noble families in the feudal society.

A．very；reading B．well；to be read

C．well；reading D．very；to be read

—We must thank you for taking the trouble to cook us a meal.

—________.

A．With pleasure B．It doesn't matter

C．It was no trouble at all D．By all means

________，Carolina couldn't get the door open.

A．Might she as try B．As she might try

C．She might as try D．Try as she might

She had no sooner finished her task ________ it began to rain.

A．when B．than C．that D．as soon as

The young actress looked so charming in her beautiful dress that we took

________ pictures with her.

A．a great many of B．a good many

C．the number of D．a large amount of

Dust ________ in a room if we do not clean the room regularly.

A．accomplishes B．accumulates

C．accommodates D．achieves