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Before 2008 we will finish ________ the Olympic Park.

A. build

B. built

C. building

D. to build

Before 2008 we will finish ________ the Olympic Park.

A. build

B. built

C. building

D. to build

Before 2008 we will finish ______ the Olympic Park．

　　A．build

B．built

C．building

D．to build

Before 2008 we will finish ______ the Olympic Park．

　　A．build

B．built

C．building

D．to build