It is well known to us all ____ China sent up a manned spaceship to outer space successfully last year.

A. that           B. what         C. which      D. when

It is well known to us all  ____  China sent up a manned spaceship to outer space successfully last year.

    A. that             B. what                C. which            D. when

It is well known to us all___China sent up a manned spaceship to outer space successfully last year.

　 A. that　　　　　　 　 B. what　　　　　　　　 C. which　　　　　 D. when

It is well known to us all ____ China sent up a manned spaceship to outer space successfully last year

1. A.
   that
2. B.
   what
3. C.
   which
4. D.
   when

It is well known to us all ____ China sent up a manned spaceship to outer space

Successfully last year.

A.that            B.what           C.which        D.when