Chery China in Wuhan has set up another environmentally friendly car factory on ________ used to be a heavily polluted land．

A．which

B．that

C．what

D．where

I ________ through that bitter period without your generous help．

A．couldn't have gone

B．didn't go

C．wouldn't go

D．hadn't gone

________ Lisa is a lovely and quiet girl, she can be very naughty and difficult to work with sometimes．

A．While

B．As

C．Unless

D．Once

As our teacher puts it, only if you work hard ________ in your career．

A．you can succeed

B．do you succeed

C．can you succeed

D．you will succeed

When we reached the stadium in a rush, the newly-elected mayor ________ his speech and the performance ________．

A．have finished; began

B．had just finished; was about to begin

C．had just finished; has begun

D．just finished; began

There was no more than one iPhone 4S in the store, so I had no choice but to take ________．

A．that

B．one

C．them

D．it

You could have watched the movie Transformers III last night．Why ________ you?

A．didn't

B．couldn't

C．hadn't

D．haven't

At ________ thought of competing with them I felt hopeless; however, I actually came ________ first!

A．a; the

B．the;/

C．/; the

D．a;/

The girl, with her head ________ slightly forward, sat silently near the piano．

A．bent

B．being bent

C．bending

D．to be bent

The dancers, ________ masks came off suddenly, gave us a great surprise．

A．all of their

B．all of whose

C．all of which

D．all of whom