Put it down, Tom. You mustn’t read _________ letter.

I invited five people to my party. Out of five people, only Tom and Jack can come. ______ people can’ t come.

I knocked on the door several times but _______________ answered, so I left. 

There is ________wrong with my bike. I have to walk .

Yuan Longping makes ____ possible to produce more crops in the same fields with this special strain of rice