标题: 885-03-01 difference between "until" and "as long as" [打印本页] 作者: rongrong518 时间: 2004-8-11 05:54 标题: 885-03-01 difference between "until" and "as long as" the sale of government surplus machinery will begin as 9am and continue until the supply lasts.
e: will begin at 9 am and continue as long as the supply lasts.
the answer is e, but i can't understand why a is fault. can someone tell me how to use "until"?