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

游客2023-10-09 59

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:http://tihaiku.com/zcyy/3085820.html

相关试题推荐

随机试题

最新回复(0)

Thechairmanofthecompanysaidthatnewtechniqueshad______improvedtheirpro