$31.Technological innovations, \_\_\_\_ good marketing, will promote the sales of these products.$
Answer key
A
Technological innovations, _…——2020 高考英语第 31 题答案解析
2020_江苏 Paper
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2020_江苏 Paper
$31.Technological innovations, \_\_\_\_ good marketing, will promote the sales of these products.$
A