1.Jill donesn't know what she could talk about.(同义句) Jill donesn't know( ) ( )talk about.
2.I called the police at once.(同义句)
I ( )a call ( ) the police at once.
3.*The station was crowded* and Linda couldn't see Davy everywhere.(对*部分提问） ( )( )Linda ( )Davy everywhere?
4.There was a police officer standing next to the Greens..(对*部分提问）
( ) was there a police officer standing ( )(
5.Jim said,"I think I can help the old man move away the stone."(直接引语)
Jim said ( ) ( ) he ( ) help the old man ( ) away the stone