Twenty percent of the people _______ said that they were very satisfied with the product and would buy it again. A. was surveying B. being surveyed C. survey D. surveyed

Twenty percent of the people _______ said that they were very satisfied with the product and would buy it again.

A. was surveying
B. being surveyed  
C. survey
D. surveyed

Trả lời

Chọn D

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