5. _____ a minute! I can’t find my.keys.
A. Keep on B. Hold on c. Go on D. Carry on

6 You ju st never lift a _____ to help me — I have to do everything myself?

 A shoulder B. hand c. finger D, wrist

7 Scientists seem to be trying to push th e _____ of nature to the limit.
A laws B. codes • c. rules D. regulations

8 There was a ______on the door who wouldn’t let us into the disco.

A referee B. lifeguard c. wrestler D. bounce

9. I won’t act in films that are too violent — I _____ the line at that.
A. paint B. make c . draw D. write

10  I had lost my glasses in the water and could barely _____ the edge of the

river.
A notice B. recognise c. remark D. distinguish