It is the first time that I ________ here．

A．had been

B．have been

C．was

D．am

He came and shouted at me．________ I realized what happened, he left in a hurry．

A．As

B．Since

C．Until

D．Before

I found ________ difficult to finish all the homework within two days．

A．what

B．that

C．it．

D．/

To our ________, we finally climbed up the top of the Mountain Lion．

A．surprise,

B．delight

C．worry

D．sadness

Only then ________ how much knowledge had lost．

A．she realized

B．she had realized

C．had she realized

D．did she realize

________ from the top of the tower, the east of the mountain is a sea of trees．

A．Seen

B．Seeing

C．Having seen

D．To see

A terrible earthquake ________ in Sichuan Province at 2∶28 pm. on May 12th,2008, causing a great loss of lives and property．

A．broke down

B．broke up

C．broke in

D．broke out

All the students were ________ after they heard the ________ news that they would have a chance to go to America．

A．inspiring ;inspired

B．inspired; inspired

C．inspired; inspiring

D．inspiring; inspiring

Before you leave the office, everything should be put ________．

A．in its place

B．in place

C．in the place

D．out of place

The manager demanded that every worker ________ extra hours to complete the task ahead of time．

A．work

B．works

C．worked

D．must work