His efforts to improve the sales of this product have been very (help) ______.he

游客2024-08-01 5

问题 His efforts to improve the sales of this product have been very (help) ______.

选项

答案 helpful

解析根据句子结构，这里缺一形容词做表语。

转载请注明原文地址:https://tihaiku.com/zcyy/3700438.html

相关试题推荐

随机试题

最新回复(0)

Forthefirstcenturyorsooftheindustrialrevolution,increasedproducti