Many students signed up for the ________ race in the sports meeting to be held next week．

1. A.
   800-metre-long
2. B.
   800-metres-long
3. C.
   800-metres-length
4. D.
   800-metre-length

Many students signed up for the _______ race in the sports meeting to be held next week.

Many students signed up for the _______ race in the sports meeting to be held next week.

A．800-metre-long                         B．800-metres-long

C．800 metre length                       D．800 metres length

Many students signed up for the    race in the sports meeting to be held next week.

A. 800-metre-long   B. 800-metres-long  C. 800 metre length   D. 800 metres length

Many students signed up for the    race in the sports meeting to be held next week.

A. 800-metre-long   B. 800-metres-long  C. 800 metre length   D. 800 metres length