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INTERMEDIATE LEVEL
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like: samples → →
The blood samples are sent to the laboratory for analysis. ☊ analysis ☊
collect sth from sb/sth: Samples were collected from over 200 patients. ☊ collect ☊
free samples/tickets/advice ☊ free ☊
Samples of the water contained pesticide. ☊ sample ☊
take sth from sth: The scientists are taking water samples from the river. ☊ take ☊