—Have you finished your program,Yang Wei?—I’m afraid I __________ forgot about it.

You should read the ______in the car repair manual(手册)carefully before you start.

The environment will ______ one’s character.

 It came as a great _______ to the parents that their son finally came back safe and sound.  

The members of the club wouldn't run a ____ entrusting（委托） the organization to an unreliable person.