Level A1 :
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RANDOM
Level A2 :
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Level B1 A:
READ
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Level B1 B:
READ
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| (IELTS4000) prototype | Definition: original work used as a model; original type |
| (SAT5000) prototype | Definition: A work, original in character, afterward imitated in form or spirit. |
| (ESS4000) prototype | Definition: A prototype is a new machine that is not ready to be made in large quantities. | Example: →He introduced his prototype to the motorcycle company. |