The authorities spend a lot of money ______ keeping the streets and parks clean.

游客2025-03-17 51

问题 The authorities spend a lot of money ______ keeping the streets and parks clean.

选项 A、in
B、on
C、up
D、out

答案 B

解析 spend…in doing sth．是固定结构，表示“花钱或时间做某事”。

转载请注明原文地址:https://www.tihaiku.com/zcyy/4000646.html

相关试题推荐

随机试题

最新回复(0)

Theauthoritiesspendalotofmoney______keepingthestreetsandparksclean.