In the U.S, ______a tip is thought to be polite when paying the bill. A．leaveB．h_刷题宝

题干

In the U.S, ______a tip is thought to be polite when paying the bill.

A．leave

B．having left

C．leaving

D．being left

上一题下一题 0.85难度单项选择更新时间:2013-06-18 10:14:04

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库