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WorksheetsIELTS AWL INTRO VOCAB TEST THIEU FINAL TEST
Total questions: 115
Worksheet time: 58mins
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Early humans did not need clocks. They woke up when the sun_.
appear
appears
appeared
appearance
About 4,000 years ago, ancient Egyptians _ a 12-hour time system.
develop
develops
developed
deevelopment
About 4,000 years ago, ancient Egyptians created a 12-hour time _.
system
systematic
systemize
This method of showing time was useful, but not very _.
accurate
accurately
accuracy
Later, round sundials were _.
develop
developed
development
developer
They used sundials, too, but they were more _ than the wood clocks.
accurate
accuracy
accurately
People were _ to see the time on sundials vary with the seasons.
confuse
confused
confusion
confusing
People were confused to see the time on sundials _ with the seasons.
vary
variety
accurate
accuracy
Over many years, _ kinds of clocks were created to measure time during the day and at night.
differ
different
difference
Hourglass worked in a _ way.
similar
similarity
similarly
The _ was that sand shifted from the top bowl into the bottom bowl.
differ
different
difference
The difference was that sand _ from the top bowl into the bottom bowl.
shift
shifted
shifting
Soon clocks _ into wonderful art objects.
develop
developed
developing
development
About 1,000 years ago, an Arab engineer added mechanical _ to water clocks.
features
featured
featuring
These mechanical features gave later engineers the idea to _ mechanical clocks.
develop
developed
development
developer
Mechanical clocks first _ in China about 800 years ago.
appear
appeared
appearance
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