I keep medicines on the top shelf, out of the children’s________.

- She got into a(n) _____when she thought she'd forgotten doing homework. 

 I caught a _____ of the car before it disappeared around the bend.

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

To our excitement，two ______ of students ______ a success after three years' hard work.