Lucy's birthday party didn't start _____ all the friends arrived.[ ]A. sinceB.untilC.while

题目简介

Lucy's birthday party didn't start _____ all the friends arrived.[ ]A. sinceB.untilC.while

题目详情

Lucy's birthday party didn't start _____ all the friends arrived.  
[     ]
A. since    
B.  until    
C.  while
题型:单选题难度:中档来源:同步题

答案

B

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