There must be ________ with the computer. 

My grandfather is always thinking for others. In another word, he is always ________.

 To solve the problem, we would appreciate it if you could give us an ______ explanation and compensate (补偿) us.

Wolves are very ______: they can live in forests, on open plains, or in the snows of the Arctic.

The girl was so ___ that she let out a ___ cry.