Olympic Marathon is 26 miles and 385 yards, approximately         distance from Marathon to Athens.

A．An; the                       B．X; a                    C．An; a                  D．X; the

An Olympic Marathon is 26 miles and 385 yards, approximately _____ from Marathon to Athens.

1. A.
   distance
2. B.
   is the distance
3. C.
   the distance
4. D.
   the distance is

An Olympic Marathon is 26 miles and 385 yards, approximately _____ from Marathon to Athens.

A. distance     B. is the distance    C. the distance       D. the distance is

An Olympic Marathon is 26 miles and 385 yards, approximately          from Marathon to Athens.

A．distance         B．is the distance        C．the distance is          D．the distance

（2010·山东聊城一中高三模块测试） 21．____________Olympic Marathon is 26 miles and 385 yards, approximately _________distance from Marathon to Athens．

A．An; the     B．X; a    C．An; a     D．X; the