He doesn’t have the habit of planning his travel expense, so he won’t know what

题干

He doesn’t have the habit of planning his travel expense, so he won’t know what to do _______ the money runs out.

A．once

B．before

C．unless

D．though

上一题下一题 0.85难度单项选择更新时间:2010-07-15 12:51:15

小学学科试题库

初中学科试题库

高中学科试题库