People began making clocks over 500 years ago .The first clocks had 0___one hand the hour hand .

题目

People began making clocks over 500 years ago .The first clocks had 0___one hand the hour hand .
People began making clocks over 500 years ago .The first clocks had 0___one hand the hour hand .The minute hand appeared at a later time .The first clocks were big and heavy .Some rich people had servants to c____ their clocks Time p____and clocks become smaller .Clockmakers were able to make smaller parts for clocks and the size were reduced .
Bells become a p____ of some large clocks in cities and towns .They were for people who were unable to s____ the clock .Some clocks were put in large towers .Many of these clocks s_____ exist today in Europe .Some of thme are 400 to 500 years old .Big ben in London is a very f____ tower clock .
The first alarm clocks were used by monks to wake thme for prayers .Today many clocks even alarm clocks are electric .

答案

only
carry
passes(此处有个疑问,整个第一段都是过去时,但是此句的后半句却是become,所以我填了passes,如果后半句是became,那么这里填passed,请核实)
part
see
still
famous
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