建设单位应在工程竣工验收前( )个工作日将验收时间、地点、验收组名单通知该工程的工程质量监督机构。
A．5
B．7
C．14
D．21
参考答案：B
承诺人发出承诺后，被外界原因而延误到达，称为()。
A．承诺延误
B．承诺超期
C．新要约
D．再要约
____ for the fact that she got hit by a car and broke her leg on her way to school, she might have passed
the exam.[ ]
A. Had it not been
B. Hadn't it been
C. Was it not
D. Were it not
