Choose the word/expression which best completes each sentence :
He played the piano .... an hour or two

In the question below choose the word(s) or phrase(s) which best fills the gap(s).:
You could see that Akpan did not give his evidence ....

Fill each gap with the most appropriate option from the list provided. 

Of course, we all saw the culprit ....... and hit the man on the head.

Choose the option that best completes the gap(s).

The old man was rushed to hospital when his blood pressure dropped to a ....... level?

Choose the option that best completes the gap(s).

The ....... robber showed no mercy during the attack?