We watched, amazed as fire _____ on the outside of the spaceship as the earth’s gravity increased.

We watched, amazed as fire _____ on the outside of the spaceship as the earth’s gravity increased.

1. A.
   broke up
2. B.
   broke out
3. C.
   broke in
4. D.
   broke away

We watched, amazed as fire _____ on the outside of the spaceship as the earth’s gravity increased.

   A. broke up   B. broke out   C. broke in   D. broke away

We watched, amazed as fire _____ on the outside of the spaceship as the earth’s gravity increased.

A．broke up               B．broke out              C．broke in                D．broke away

We watched, amazed as fire _____ on the outside of the spaceship as the earth’s gravity increased.