They came back from their long walk and went into bed,           .

There must be ________ with the computer. 

Compared with his sister, Jerry is even more_____to, and more easily troubled by , emotional and relationship problems.

 As she is a _____ visitor to our house, we look on her as a part of our family.

The old .engineer’s eyes still shone bright in the wrinkled brown face and his step as he came across the room was________，though slow.