填空题 Questions 19-22
Look at the following experimental tasks (19-22). Match each task with the correct finding, A, B or C. Write the correct letter, A-C, in boxes 19-22 on your answer sheet.
List of Findings

A Children who shared similarities gained the most from working in pairs.
B Children who differed gained the most from working in pairs.
C Children gained no advantage from working in pairs.
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