优题课 - 聚名师,上好课(www.youtike.com)
  首页 / 试题 / 高中英语 / 试题详细
  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1491

When _______ help, one often says “Thank you” or “It’s kind of you”.  
  

A.offering B.to offer C.to be offered D.offered
登录免费查看答案和解析

Whenhelp,oneoftensaysThankyouo