Lesson --> Advanced --> Part 1: Photo
Theory   

Select skill:

Look at the picture and listen to the sentences. Choose the sentence that best describes the picture:


Script:
  A. The contents of the containers are being poured.
  B. A researcher is checking a sample.
  C. The test tubes are being labeled.
  D. Various types of bottles are arranged.
1.
A.
B.
C.
D.
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