【单选题】If you fail to adapt _____ the quickly changing society ,you will be behind the times .
【单选题】If you never review your lessons, you will only have yourself to ______ if you fail in your examination.
【多选题】桥涵工程预算定额中有关钢筋工程,凡钢筋直径在 10mm 以上,除注明为钢筒链接外,均采用下列哪种连接方式
【单选题】If you fail to say 'thank you' to the receptionists, they will have negative impressions of you.
【单选题】You will fail the English exam ________ you study hard.