What do you______ ? - think, I am not sure how____ it work. - does, When someone _____to the door, they __________ the string - comes/pull, So this is a _______ . - pivot, yes, and these are __________ - pulleys, But, is there a problem here? Does the hammer move_____________? - clockwise, Oh, you are right! It ____________the wrong way. - rotates, The bell __________ over to the other side. - needs moving, The direction of the hammer ___________ is wrong too. It needs ____________ - head/reversing, Do we need to put something ________ it, to stop it__________ back too far? - under/falling, Yes, and perhaps it _________ a ____________ to pull it. - needs/ spring,

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