Wheyou want to state the deadline of offer, you may say "This offer _______your reply reaching us by Nov. 20th."
·is bound
·is subject to
·works
·as long as
出自:佳木斯大学语言治疗学

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块